RV Dump Stations In Idaho
44.0682° N, 114.7420° W
Quick Overview
Idaho is a tank-dumping bargain if you know where to look, because the state has an unusually generous network of free city and county dump stations on top of its parks and travel centers. We've mapped several dump stations across the state, with some of them free. From the alpine Sawtooths around Stanley to the lake country of the northern panhandle, you'll find places to empty black and grey water close to your route, often without paying a cent.
Start with the free public dumps, because Idaho does these well. Coeur d'Alene runs a 24/7 dump at 250 E Dalton Ave, Twin Falls has a free city dump, the Jerome county fairgrounds just off I-84 lets travelers dump for free, and American Falls offers a free city dump with potable water. These un-manned, goodwill stations are common at city parks and fairgrounds statewide. Even at the state parks, Farragut State Park north of Coeur d'Alene offers free dumping alongside full hookups, which is a rare combination.
Idaho's other state parks charge about $10 to dump, on top of the Motor Vehicle Entrance Fee of $7 a day ($14 for non-residents at Farragut, Priest Lake, Round Lake, Hells Gate, and Bear Lake). Residents can grab a $10 annual Passport at vehicle registration; non-residents can buy an $80 annual sticker that waives the daily entrance fee. Redfish Lake in the Sawtooth National Recreation Area has full hookups, showers, and a dump at 6,500 feet, and the Stanley ranger station has a dump too.
Travel centers cover the interstates: there are Flying J locations in Boise and Twin Falls, among others, charging the usual $10 to $15. Be aware of a couple of gaps. Craters of the Moon's Lava Flow Campground has no dump station at all, so use the Arco KOA 19 miles from the entrance. And rest areas aren't a dumping option: Idaho's ITD rest areas cap stays at 10 hours on interstates (16 elsewhere), allow sleeping in your vehicle but not camping, and prohibit dumping tanks except into a proper waste container.
Seasonality is driven by elevation and snow. The high-country forest dumps (Sawtooths, the mountain USFS campgrounds) open only mid-May through Labor Day, while the valley and city dumps run longer. Summer is peak camping but brings heat in the south and wildfire smoke, so check Idaho 511. Below you'll find every station we've mapped across Idaho, with notes from fellow RVers on fees, hours, and seasonal closures.
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Browse RV Dump Stations by City (138)
Aberdeen
American Falls
Arco
Ashton
Athol
Avery
Bayview
Blackfoot
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Burley
Calder
Caldwell
Cambridge
Cammon
Carey
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Coeur d'Alene
Coolin
Corral
Council
Declo
Donnelly
Downey
Dubois
Eden
Elk City
Elk River
Ellis
Emmett
Fairfield
Fernwood
Filer
Franklin
Garden City
Garden Valley
Genesee
Glenns Ferry
Gooding
Grace
Grand View
Grangeville
Hagerman
Hailey
Harrison
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Heyburn
Homedale
Hope
Horseshoe Bend
Idaho City
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Irwin
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Jerome
Kamiah
Kellogg
Kendrick
Ketchum
Kimberly
Kingston
Kooskia
Kuna
Lava Hot Springs
Lenore
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Lowman
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Malad City
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McCall
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Meridian
Middleton
Montpelier
Moscow
Mountain Home
Mountain Home AFB
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Nampa
Naples
New Meadows
Nezperce
North Fork
Oakley
Oldtown
Orofino
Osburn
Paris
Parma
Paul
Payette
Pierce
Pinehurst
Plummer
Pocatello
Pollock
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Post Falls
Potlatch
Preston
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Rexburg
Richfield
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Rupert
Sagle
Saint Anthony
Saint Charles
Saint Maries
Salmon
Sandpoint
Shelley
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Soda Springs
Spirit Lake
Tensed
Terreton
Tetonia
Troy
Twin Falls
Victor
Wallace
Weippe
Weiser
Wendell
White Bird
Winchester
Getting Around Idaho by RV
Idaho is long and mountainous, and the road network reflects it. I-84 carries the southern traffic through Boise and Twin Falls, I-86 and I-15 handle the southeast around Pocatello and Idaho Falls, and I-90 crosses the northern panhandle through Coeur d'Alene. The thread that ties north to south is US-95, a two-lane spine that runs the length of the state, so plan fuel and dumps around it since services spread out.
The scenic mountain routes demand respect. The grades between Sun Valley and Stanley are steep, especially in spring and fall when snow lingers on the passes, so take them slow and watch your brakes on the descents. Three scenic byways converge in Stanley if you're touring the Sawtooths. In summer, wildfire smoke can cut visibility across the forested areas, so check Idaho 511 and ITD updates before you head into the mountains. Top off fresh water and fuel before the long empty stretches on US-95 and the byways toward Stanley and the high country.
Before You Go: RV Trip Essentials
Dump stations are only one piece of the trip puzzle. Before you set out for your Idaho trip, it's worth taking thirty minutes to check that the basics are in place — the four areas below are where unprepared RVers most often get stung.
Check your RV insurance coverage
A standard auto policy rarely covers a Class A, Class C, or travel trailer the way a dedicated RV insurance policy does. If you're financing a motorhome, lenders typically require comprehensive and collision; full-timers should additionally price in vacation liability and personal belongings coverage. Rates vary widely by state and travel pattern — compare quotes from multiple RV-focused carriers before each season.
Know your roadside assistance options
RV-specific roadside plans tow motorhomes and trailers that regular AAA coverage won't touch — flat beds, mobile mechanics, tire service for duallies, and even emergency lockouts at remote campgrounds. Good plans cover your spouse and trailer even if you're driving a separate vehicle, and some include trip interruption reimbursement if a breakdown costs you a reservation.
Decide about an extended warranty early
Original manufacturer warranties on new RVs typically run 12–24 months — shorter than most buyers realize. An extended service contract (essentially a mechanical breakdown policy) covers the appliances, slides, levelling systems, and drivetrain components that can run $3,000–$10,000 to replace. The time to price one is before the factory coverage expires, not after something breaks.
Set up a travel rewards card for fuel and fees
A no-annual-fee travel or gas rewards card pays for itself on a single month of RV travel. Expect to spend $400–$800 per week combined on fuel, campgrounds, and propane — 3–5% cash back on gas alone covers the next oil change. For bigger trips, a sign-up bonus can offset campground fees for the whole season.
RVingLife is supported by advertising. Third-party ads on this page may include insurance quotes, roadside plans, warranty coverage, or financial products relevant to the topics above. We don't endorse any specific provider — compare multiple offers before you commit. Privacy policy.
RV Dump Stations Costs in Idaho
Idaho is one of the cheaper states to keep your tanks empty, thanks to all the free public dumps. Coeur d'Alene, Twin Falls, Jerome, and American Falls run free or donation city and fairgrounds stations, and Farragut State Park offers free dumping even with full hookups. If you route smartly, you can cross Idaho without paying for a single dump.
When you do pay, the structure is simple. State park dumps cost about $10, on top of the $7 daily Motor Vehicle Entrance Fee ($14 for non-residents at the five higher-fee parks). Residents can buy a $10 annual Passport at vehicle registration; non-residents an $80 annual sticker that waives the daily fee. Travel centers like the Flying J in Boise and Twin Falls charge $10 to $15. Private RV parks run higher, especially in resort areas like Coeur d'Alene and near the Sawtooths. For budget travel, lean on the free city dumps and Farragut, and save private parks for hookup nights.
Contact station for pricing details.
Prices may vary. Always confirm with the station before visiting.
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Best Time to Visit Idaho by RV
Winter
Nov - Feb
20F - 35F
Crowds: Low
Cold and snowy in the mountains; most forest and high-elevation dumps closed and winterized. Lean on valley city dumps and travel centers.
Spring
Mar - May
35F - 58F
Crowds: Low
Valleys green up but mountain passes still hold snow; watch the steep grades near Stanley. High-country dumps open mid-May.
Summer
Jun - Aug
55F - 88F
Crowds: High
Peak camping, hot and dry in the south. Wildfire smoke can be heavy; check Idaho 511. All dumps open through Labor Day.
Fall
Sep - Oct
38F - 62F
Crowds: Medium
Crisp and quiet, a great shoulder season. High-country USFS dumps close after Labor Day, so plan around valley options.
Explore Idaho
Here's what we've learned dumping tanks in Idaho. First, lean on the free public dumps, because this state has a lot of them. Coeur d'Alene's 24/7 station at 250 E Dalton Ave, the Twin Falls city dump, the Jerome fairgrounds off I-84, and American Falls are all free, and Farragut State Park north of Coeur d'Alene offers free dumping even with its full hookups. City parks and county fairgrounds statewide often run free or donation stations, so it's worth asking locally.
Second, know the gaps. Craters of the Moon's Lava Flow Campground has no dump, so plan to use the Arco KOA 19 miles out. Third, the high-country USFS dumps near Stanley and the Sawtooths only open mid-May through Labor Day, so off-season you'll rely on valley city dumps and travel centers. Fourth, never dump tanks at a rest area or on the ground; it's prohibited and illegal. Finally, check Idaho 511 before summer and shoulder-season mountain trips for wildfire smoke and pass conditions, and carry extra water for the long stretches on US-95.
Helpful Resources
Federal Resources
- Recreation.gov— Federal campgrounds & recreation areas
- National Park Service— National parks & monuments
- Bureau of Land Management— BLM public lands & dispersed camping
- US Forest Service— National forests & grasslands
Frequently Asked Questions About RV Dump Stations in Idaho
Where can I dump my RV tanks in Idaho?
Idaho has a deep network of dump stations, including an unusual number of free public ones. City and county dumps in Coeur d'Alene (250 E Dalton Ave, 24/7), Twin Falls, Jerome (fairgrounds), and American Falls are free. State parks like Farragut and Redfish Lake have dumps (Farragut's is free), travel centers like the Flying J in Boise and Twin Falls have them, and many city parks and fairgrounds run goodwill stations. We've mapped several stations statewide. Coverage is strong along I-84 and I-90 and in the lake country, with more spread-out options in the central mountains.
Are there free RV dump stations in Idaho?
Yes, more than almost any state. Coeur d'Alene runs a free 24/7 dump at 250 E Dalton Ave, Twin Falls has a free city dump, the Jerome county fairgrounds off I-84 dumps free, and American Falls offers a free city dump with potable water. These un-manned, goodwill stations are common at city parks and fairgrounds across Idaho. Even Farragut State Park north of Coeur d'Alene offers free dumping alongside full hookups. Of the stations in our Idaho directory, some are free. Free options thin out in winter when high-country and some seasonal city dumps close.
How much does it cost to dump at an Idaho state park?
Most Idaho state park dump stations charge about $10, and that's on top of the Motor Vehicle Entrance Fee of $7 per day (or $14 for non-residents at the five higher-fee parks: Farragut, Priest Lake, Round Lake, Hells Gate, and Bear Lake). The big exception is Farragut State Park north of Coeur d'Alene, which offers free dumping. If you're touring multiple parks, residents can buy a $10 annual Passport at vehicle registration, and non-residents can get an $80 annual sticker that waives the daily entrance fee. For a single quick dump, the free city stations are usually the better deal.
Can I dump my RV tanks at Idaho rest areas?
No. Idaho Transportation Department rest areas do not provide dump stations as a rule, and dumping your gray or black tank is prohibited except into a container designed for that purpose. Rest areas here cap your stay at 10 hours on interstate locations and 16 hours elsewhere. You can sleep in your vehicle, but camping (setting up outside) is not allowed, and running a generator all night is prohibited. For dumping, route through the free city stations, the state parks, or the travel centers instead. A few rest areas may have a dump nearby, but don't count on it.
What should I bring to a dump station in Idaho?
Bring a quality sewer hose with good fittings, disposable gloves, and a clear elbow so you can see when the black tank runs clean. A jug of fresh water and a separate non-potable rinse hose are smart, since many of Idaho's free city and fairgrounds dumps are basic, un-manned stations. Tank chemicals and hand sanitizer round out the kit. In the mountains and shoulder seasons, dump quickly to avoid freezing valves at higher elevations. Carry extra fresh water for the long stretches on US-95 and the byways, where the next dump or fill may be a ways off.
Are Idaho dump stations open in winter?
It depends on elevation. High-country and forest dumps, including the USFS sites around Stanley and the Sawtooths, open only mid-May through Labor Day, so they're closed all winter. Many valley city dumps stay open longer, but some seasonal ones close in the cold. Your most reliable winter options are the travel centers (Flying J in Boise and Twin Falls) and any year-round city stations. If you're traveling Idaho in winter, winterize your rig, dump quickly to avoid frozen valves, and confirm a station is open before driving out, since mountain weather and snow close facilities fast.
Where can I dump near the Sawtooths and Stanley?
Stanley is the hub for the Sawtooth National Recreation Area, and the Stanley ranger station has an RV dump station. Redfish Lake, the popular alpine lake at 6,500 feet just south of town, has full hookups, showers, and a dump. Keep in mind the USFS campgrounds in the Sawtooths generally have no hookups and open only from mid-May through Labor Day due to heavy winter snow. Three scenic byways meet in Stanley, so it's a natural base, but services are limited in such a small mountain town. Dump and fill water here before heading deeper into the backcountry.
Where can I dump near Craters of the Moon?
Not at the park itself. The Lava Flow Campground inside Craters of the Moon National Monument has no dump station, no hookups, and no showers, though sites do have water and restrooms. For dumping, head to the Craters of the Moon / Arco KOA, about 19 miles from the park entrance, which has full services. If you're touring the lava fields along US-20/26, plan to arrive with empty tanks and dump at the KOA or in a nearby town afterward. Don't expect to find anything at the monument campground, since it's deliberately primitive.
Where can I dump in northern Idaho and the panhandle?
The panhandle is well covered. Coeur d'Alene runs a free 24/7 dump at 250 E Dalton Ave, and Farragut State Park, 20 miles north of Coeur d'Alene on US-95, offers free dumping with full hookups. Priest Lake State Park up north has facilities too (with the higher non-resident entrance fee). The forested lake country around Coeur d'Alene and Priest Lake has private RV parks with dumps as well. This is one of the easier regions of Idaho for tank service, so if you're touring the panhandle lakes, you'll rarely be far from a station, and often a free one.
Do travel centers in Idaho have dump stations?
Yes. Flying J and Pilot travel centers along the interstates have dump stations, including locations in Boise and Twin Falls, typically charging $10 to $15. The Twin Falls Flying J also offers overnight RV parking, making it a handy base for exploring the Magic Valley. These travel centers are your most dependable year-round option, since they stay open when high-country and seasonal city dumps are closed. They're concentrated along I-84 in the south and I-90 in the north. If you're crossing Idaho in the off-season, plan tank stops around them and call ahead to confirm.
When is the best time for RV camping in Idaho?
Late spring through early fall, with May and September being the peaceful sweet spots and June through August the busy peak. Summer is warm and dry in the south and milder in the northern forests, with all the dumps open, but it can bring wildfire smoke, so check Idaho 511. Spring and fall are quieter and beautiful, though mountain passes near Stanley can still hold snow and high-country campgrounds open only mid-May to Labor Day. Winter camping is limited to lower elevations with most mountain facilities closed. For the best mix of open dumps and good weather, target early summer or September.
Can I empty my tanks while boondocking on Idaho public land?
Only at a real dump station, never on the ground. Idaho has vast national forest and BLM dispersed camping, especially around the Sawtooths and the panhandle, but you're responsible for hauling your waste to a proper dump. Dumping tanks anywhere but a station is illegal. The good news is Idaho's free city and fairgrounds dumps make this easy and cheap: dump in Coeur d'Alene, Twin Falls, Jerome, or American Falls on your way through. Set up self-contained, monitor your tanks, and fill fresh water and dump in the last town before heading into the backcountry, where services disappear.
How much does RV camping cost in Idaho?
Idaho is reasonably priced, and dumping can be free if you use the public stations. State park camping is moderate, with the $7 daily entrance fee ($14 non-resident at five parks) plus the site fee, and a roughly $10 dump charge at most parks (free at Farragut). USFS campgrounds in the mountains are cheap but have no hookups. Private RV parks, especially in resort areas like Coeur d'Alene and near the Sawtooths, run higher. Travel-center dumps are $10 to $15. To keep costs minimal, lean on the free city dumps and Farragut, and reserve private parks for nights you want full hookups.
Where can I dump my RV tanks in Idaho?
Idaho has a deep network of dump stations, including an unusual number of free public ones. City and county dumps in Coeur d'Alene (250 E Dalton Ave, 24/7), Twin Falls, Jerome (fairgrounds), and American Falls are free. State parks like Farragut and Redfish Lake have dumps (Farragut's is free), travel centers like the Flying J in Boise and Twin Falls have them, and many city parks and fairgrounds run goodwill stations. We've mapped {{stationCount}} stations statewide. Coverage is strong along I-84 and I-90 and in the lake country, with more spread-out options in the central mountains.
Are there free RV dump stations in Idaho?
Yes, more than almost any state. Coeur d'Alene runs a free 24/7 dump at 250 E Dalton Ave, Twin Falls has a free city dump, the Jerome county fairgrounds off I-84 dumps free, and American Falls offers a free city dump with potable water. These un-manned, goodwill stations are common at city parks and fairgrounds across Idaho. Even Farragut State Park north of Coeur d'Alene offers free dumping alongside full hookups. Of the stations in our Idaho directory, {{freeCount}} are free. Free options thin out in winter when high-country and some seasonal city dumps close.
How much does it cost to dump at an Idaho state park?
Most Idaho state park dump stations charge about $10, and that's on top of the Motor Vehicle Entrance Fee of $7 per day (or $14 for non-residents at the five higher-fee parks: Farragut, Priest Lake, Round Lake, Hells Gate, and Bear Lake). The big exception is Farragut State Park north of Coeur d'Alene, which offers free dumping. If you're touring multiple parks, residents can buy a $10 annual Passport at vehicle registration, and non-residents can get an $80 annual sticker that waives the daily entrance fee. For a single quick dump, the free city stations are usually the better deal.
Can I dump my RV tanks at Idaho rest areas?
No. Idaho Transportation Department rest areas do not provide dump stations as a rule, and dumping your gray or black tank is prohibited except into a container designed for that purpose. Rest areas here cap your stay at 10 hours on interstate locations and 16 hours elsewhere. You can sleep in your vehicle, but camping (setting up outside) is not allowed, and running a generator all night is prohibited. For dumping, route through the free city stations, the state parks, or the travel centers instead. A few rest areas may have a dump nearby, but don't count on it.
What should I bring to a dump station in Idaho?
Bring a quality sewer hose with good fittings, disposable gloves, and a clear elbow so you can see when the black tank runs clean. A jug of fresh water and a separate non-potable rinse hose are smart, since many of Idaho's free city and fairgrounds dumps are basic, un-manned stations. Tank chemicals and hand sanitizer round out the kit. In the mountains and shoulder seasons, dump quickly to avoid freezing valves at higher elevations. Carry extra fresh water for the long stretches on US-95 and the byways, where the next dump or fill may be a ways off.
Are Idaho dump stations open in winter?
It depends on elevation. High-country and forest dumps, including the USFS sites around Stanley and the Sawtooths, open only mid-May through Labor Day, so they're closed all winter. Many valley city dumps stay open longer, but some seasonal ones close in the cold. Your most reliable winter options are the travel centers (Flying J in Boise and Twin Falls) and any year-round city stations. If you're traveling Idaho in winter, winterize your rig, dump quickly to avoid frozen valves, and confirm a station is open before driving out, since mountain weather and snow close facilities fast.
Where can I dump near the Sawtooths and Stanley?
Stanley is the hub for the Sawtooth National Recreation Area, and the Stanley ranger station has an RV dump station. Redfish Lake, the popular alpine lake at 6,500 feet just south of town, has full hookups, showers, and a dump. Keep in mind the USFS campgrounds in the Sawtooths generally have no hookups and open only from mid-May through Labor Day due to heavy winter snow. Three scenic byways meet in Stanley, so it's a natural base, but services are limited in such a small mountain town. Dump and fill water here before heading deeper into the backcountry.
Where can I dump near Craters of the Moon?
Not at the park itself. The Lava Flow Campground inside Craters of the Moon National Monument has no dump station, no hookups, and no showers, though sites do have water and restrooms. For dumping, head to the Craters of the Moon / Arco KOA, about 19 miles from the park entrance, which has full services. If you're touring the lava fields along US-20/26, plan to arrive with empty tanks and dump at the KOA or in a nearby town afterward. Don't expect to find anything at the monument campground, since it's deliberately primitive.
Where can I dump in northern Idaho and the panhandle?
The panhandle is well covered. Coeur d'Alene runs a free 24/7 dump at 250 E Dalton Ave, and Farragut State Park, 20 miles north of Coeur d'Alene on US-95, offers free dumping with full hookups. Priest Lake State Park up north has facilities too (with the higher non-resident entrance fee). The forested lake country around Coeur d'Alene and Priest Lake has private RV parks with dumps as well. This is one of the easier regions of Idaho for tank service, so if you're touring the panhandle lakes, you'll rarely be far from a station, and often a free one.
Do travel centers in Idaho have dump stations?
Yes. Flying J and Pilot travel centers along the interstates have dump stations, including locations in Boise and Twin Falls, typically charging $10 to $15. The Twin Falls Flying J also offers overnight RV parking, making it a handy base for exploring the Magic Valley. These travel centers are your most dependable year-round option, since they stay open when high-country and seasonal city dumps are closed. They're concentrated along I-84 in the south and I-90 in the north. If you're crossing Idaho in the off-season, plan tank stops around them and call ahead to confirm.
When is the best time for RV camping in Idaho?
Late spring through early fall, with May and September being the peaceful sweet spots and June through August the busy peak. Summer is warm and dry in the south and milder in the northern forests, with all the dumps open, but it can bring wildfire smoke, so check Idaho 511. Spring and fall are quieter and beautiful, though mountain passes near Stanley can still hold snow and high-country campgrounds open only mid-May to Labor Day. Winter camping is limited to lower elevations with most mountain facilities closed. For the best mix of open dumps and good weather, target early summer or September.
Can I empty my tanks while boondocking on Idaho public land?
Only at a real dump station, never on the ground. Idaho has vast national forest and BLM dispersed camping, especially around the Sawtooths and the panhandle, but you're responsible for hauling your waste to a proper dump. Dumping tanks anywhere but a station is illegal. The good news is Idaho's free city and fairgrounds dumps make this easy and cheap: dump in Coeur d'Alene, Twin Falls, Jerome, or American Falls on your way through. Set up self-contained, monitor your tanks, and fill fresh water and dump in the last town before heading into the backcountry, where services disappear.
How much does RV camping cost in Idaho?
Idaho is reasonably priced, and dumping can be free if you use the public stations. State park camping is moderate, with the $7 daily entrance fee ($14 non-resident at five parks) plus the site fee, and a roughly $10 dump charge at most parks (free at Farragut). USFS campgrounds in the mountains are cheap but have no hookups. Private RV parks, especially in resort areas like Coeur d'Alene and near the Sawtooths, run higher. Travel-center dumps are $10 to $15. To keep costs minimal, lean on the free city dumps and Farragut, and reserve private parks for nights you want full hookups.
What is the highest-rated dump station in Idaho?
The highest-rated is Buffalo Run Campground with a rating of 4.7/5 stars.
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