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Formerly known as Sanidumps.
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RV Dump Stations In Dillon, Montana

45.2163° N, 112.6375° W

Quick Overview

Dillon sits right on I-15 in southwest Montana, and we count several RV dump stations in and around town. None of them are free, so budget a small fee wherever you empty tanks. It is a handy resupply and dump stop whether you are running the interstate between Butte and Idaho Falls or basing here to fish the Beaverhead River.

This is Beaverhead County, ranch and mountain country at about 5,100 feet. The dump landscape here is a mix of private RV parks in town and public options out in the Beaverhead-Deerlodge National Forest. Countryside RV Park sits right at I-15 Exit 59, which makes it the easiest on-and-off for a quick overnight and a dump. Beaverhead River RV Park & Campground gives you riverside sites plus dump access, and several developed forest campgrounds have their own facilities.

If you are traveling the interstate, note that Montana rest areas allow a 12-hour overnight stop, and some along I-15 have dump stations and threaded water faucets. Availability varies, so we check the Montana DOT rest area map before counting on one. Getting here is straightforward: I-15 Exits 59, 62 and 63 all feed into Dillon, and the town is flat and easy to navigate.

One thing to plan around is the cold. Even in July the nights drop into the mid-40s, and winter brings hard freezes and about 21 inches of snow a year, so spigots freeze and some seasonal facilities close. Fuel and grocery up in Dillon before you head into the forest, because services thin out fast once you leave town. The listings below cover the specific dump stations we know about in the area.

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Traveling to Dillon by RV

Dillon is easy to reach. I-15 is the main artery, with Exits 59, 62 and 63 all serving town, and Countryside RV Park sits right at Exit 59 for the simplest fuel-and-dump combo. From the south, I-15 climbs over Monida Pass at 6,820 feet on the Montana-Idaho line, which can be slow and icy in winter, so give yourself extra time in a heavy rig.

Two-lane state routes branch off into the backcountry. MT-278 runs west toward Bannack State Park and the Big Hole, and MT-41 heads northeast. Both are fine for a mid-size rig but have grades and curves. Dillon is the main supply town for Beaverhead County, so this is the place to top off diesel, fill fresh water, and grab groceries before you disappear into the Beaverhead-Deerlodge National Forest, where cell service and services both drop off quickly. Butte, about 65 miles north on I-15, is your nearest option for bigger RV service and repair work.

Before You Go: RV Trip Essentials

Dump stations are only one piece of the trip puzzle. Before you set out for your trip to Dillon, Montana, 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.

Dump Station Costs in Dillon

Plan on paying to dump around Dillon. All several of the stations we track here are paid, and free public sani-dumps are basically nonexistent in this corner of Montana. Expect the usual range for a dump-only stop, often in the five-to-fifteen-dollar neighborhood at private RV parks, or bundled into your nightly rate if you are already staying.

Full-hookup sites at the Dillon RV parks are your most predictable option, and staying a night usually gets you dump and fresh water at no extra charge. Out in the Beaverhead-Deerlodge National Forest, dispersed camping is free for up to 14 days but has no dump facilities, so you will still need to come into town or a developed campground to empty tanks. Crystal Park charges $5 per vehicle if you swing by to dig crystals. Overall, budget for paid dumps and you will not be surprised.

Free: 7 stations (70%)
Paid: 3 stations (30%)

Contact station for pricing details.

Prices may vary. Always confirm with the station before visiting.

What RVers Are Saying About Dillon

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Best Time to Visit Dillon by RV

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Winter

Nov - Feb

11°F - 32°F

Crowds: Low

Cold and snowy with about 21 inches a year. Highs in the low 30s, lows near 10. Spigots freeze and some seasonal facilities close, so confirm before you rely on one.

🌸

Spring

Mar - May

32°F - 58°F

Crowds: Low

Cold nights linger into April with freezes common. Rivers run high with runoff. Passes can still ice overnight, but town facilities are open.

☀️

Summer

Jun - Aug

47°F - 83°F

Crowds: Medium

Short, warm and dry. The best window for touring and fishing the Beaverhead. Nights still drop into the mid-40s at this elevation.

🍂

Fall

Sep - Oct

33°F - 62°F

Crowds: Low

Crisp, clear days with big swings and fewer crowds. September is a favorite. First hard frosts arrive by October.

Explore the Dillon Area

A few things we have learned about dumping and camping around Dillon. First, treat this as a resupply hub: fuel, water, and groceries are all easy in town, but they get scarce the moment you leave for the forest. Second, the elevation keeps nights cold even in summer, so if you are dry camping expect mid-40s overnight lows in July and pack accordingly. Winter is a different animal, with lows near 10 degrees and frozen spigots, so carry water and check that your target facility is open.

For a fast interstate overnight and dump, Countryside RV Park at Exit 59 is the no-brainer. If you want something prettier, the forest campgrounds and Clark Canyon Reservoir south of town are worth the detour. And do not blow past Bannack State Park, about 25 miles west, one of the best-preserved gold-rush ghost towns in the West and an easy half-day trip from any Dillon base camp.

National Parks Nearby

Frequently Asked Questions About Dump Stations in Dillon

Where can I dump my RV tanks in Dillon, Montana?

We count several RV dump stations in and around Dillon. The easiest for interstate travelers is Countryside RV Park right at I-15 Exit 59, and Beaverhead River RV Park & Campground also offers dump access along with riverside sites. Out of town, several developed campgrounds in the Beaverhead-Deerlodge National Forest have their own facilities. Some Montana DOT rest areas along I-15 include dump stations too, though availability varies, so check the state rest area map first. Plan on a small fee wherever you empty, since free public dumps are scarce here.

Are there free dump stations in Dillon?

Honestly, not really. All of the dump stations we track around Dillon are paid, and free public sani-dumps are essentially nonexistent in this part of southwest Montana. Your cheapest route is usually to dump as part of a paid night at one of the Dillon RV parks, where it typically comes bundled with your site. Dispersed camping in the surrounding national forest is free for up to 14 days, but those sites have no dump facilities, so you will still need to come back into town or a developed campground to empty your tanks properly.

How much does it cost to use a dump station in Dillon?

Expect to pay. Dump-only stops at private RV parks around Dillon generally land somewhere in the five-to-fifteen-dollar range, though prices vary by park and season. If you are staying the night at one of the town's RV parks, dumping and fresh water are usually included in your nightly rate, which makes an overnight the better value if you need both. There are no free public options to speak of here, so we budget for a paid dump every time and treat any freebie as a pleasant surprise rather than the plan.

What should I bring to an RV dump station?

The basics never change: a quality sewer hose with good fittings, disposable gloves, a clear elbow so you can see when the flow runs clean, and a jug of water or a dedicated rinse hose for flushing the black tank. Keep hand sanitizer and a few paper towels handy, and bring your own tank treatment. Around Dillon it is smart to also carry drinking water, since the elevation and cold mean some spigots freeze seasonally. A pair of work gloves and a headlamp help if you end up dumping early or late when the mountain air is chilly.

Can I dump at rest areas in Montana?

Sometimes. Montana DOT rest areas allow an overnight stop of up to 12 hours, one space per vehicle, with no camping setup, and some of them along the interstate system include RV dump stations and threaded water faucets. The catch is that availability is not universal, so you cannot assume every rest area has one. Before you count on a rest-area dump on I-15 near Dillon, check the Montana Department of Transportation rest area map or their 511 travel info. When in doubt, the in-town RV parks are the dependable fallback for emptying tanks.

Are dump stations open in winter in Dillon?

Some are, some are not. Dillon winters are cold and snowy, with lows near 10 degrees and about 21 inches of snowfall a year, which means water lines and spigots can freeze. A few of the in-town RV parks stay open year-round, but seasonal campgrounds and many forest facilities close for the winter. If you are traveling through in the cold months, call ahead to confirm your target dump station is operating, carry your own water, and be ready for the possibility that you will need to route to whichever park keeps its lines heated.

Where do I get water and propane in Dillon?

Dillon is the main supply town for Beaverhead County, so fresh water is available at the local RV parks and at many forest campgrounds, and some Montana rest areas have threaded faucets for filling. Propane refills are available at RV parks and fuel outlets along the I-15 corridor in town. Because services drop off fast once you head into the Beaverhead-Deerlodge National Forest, we always top off water and propane in Dillon before leaving. For anything bigger, Butte is about 65 miles north on I-15 with more service options.

What is the best time of year to visit Dillon in an RV?

Summer through early fall, roughly June to September, is the sweet spot. Days are warm and dry, the Beaverhead River fishing is excellent, and the forest campgrounds are open. Just remember the elevation keeps nights cold, dropping into the mid-40s even in July, so pack warm layers. September is our personal favorite for warm days, crisp nights, and thinner crowds. Winter is beautiful but demanding, with snow, ice on the passes, and frozen spigots, so it is really only for well-prepared cold-weather RVers who have confirmed their facilities are open.

Is there overnight RV parking near I-15 in Dillon?

Yes. Montana DOT rest areas along I-15 allow a 12-hour overnight stop, one space per vehicle, though camping setups like awnings and leveling are not permitted. For a comfortable, legal overnight with hookups and a dump, Countryside RV Park sits right at Exit 59 and is the simplest option if you are just passing through. Beaverhead River RV Park & Campground is another solid choice with riverside sites. We prefer a hookup park over a rest area when we want to actually rest, refill water, and empty tanks all in one stop.

Can I boondock near Dillon?

Absolutely, and it is one of the perks of this area. The Beaverhead-Deerlodge National Forest surrounds Dillon and allows free dispersed camping for up to 14 days with no permit. There are good spots on forest roads west and south of town and around Clark Canyon Reservoir. Come fully self-contained, because these sites have no hookups and no dump facilities, and cell service drops off quickly once you leave the interstate. You will need to return to Dillon or a developed campground to empty tanks and refill water, so plan your dump timing around your boondocking stretch.

What attractions are near Dillon for RVers?

Plenty. Bannack State Park, about 25 miles west, is a remarkably preserved 1860s gold-rush ghost town and Montana's first territorial capital, easily a half-day visit. Clark Canyon Reservoir, roughly 20 miles south, offers fishing, boating, and camping. Crystal Park, up in the national forest, lets you dig for quartz crystals for a $5-per-vehicle fee. And the Beaverhead River runs right through town as a blue-ribbon trout fishery famous for big browns. Dillon also makes a good staging point on the way to Yellowstone country if you are heading that direction.

Are the roads around Dillon RV-friendly?

The main routes are fine. I-15 is the easy interstate spine through town, and Dillon itself is flat and simple to navigate. The two-lane state routes, MT-278 toward Bannack and MT-41 to the northeast, have grades and curves but are manageable in a mid-size rig. The one to respect is Monida Pass at 6,820 feet on the Montana-Idaho line south of town, which can be slow and slick in winter for a heavy rig. Forest roads are gravel and narrow, so scout before committing a big RV, and take mountain grades slow both up and down.

Do the Dillon RV parks have full hookups?

Yes. Countryside RV Park and Beaverhead River RV Park & Campground both offer full-hookup sites with 30 and 50 amp service, and Beaverhead River adds partial-hookup and tent sites plus cabins. Staying at either usually includes dump and fresh water in your nightly rate, which makes them the most predictable choice for emptying tanks. If you only need a dump and not a full night, call ahead, since some parks allow a dump-only stop for a small fee. For a quick interstate turnaround, Countryside at Exit 59 is hard to beat for convenience.

Where can I dump my RV tanks in Dillon, Montana?

We count {{stationCount}} RV dump stations in and around Dillon. The easiest for interstate travelers is Countryside RV Park right at I-15 Exit 59, and Beaverhead River RV Park & Campground also offers dump access along with riverside sites. Out of town, several developed campgrounds in the Beaverhead-Deerlodge National Forest have their own facilities. Some Montana DOT rest areas along I-15 include dump stations too, though availability varies, so check the state rest area map first. Plan on a small fee wherever you empty, since free public dumps are scarce here.

Are there free dump stations in Dillon?

Honestly, not really. All of the dump stations we track around Dillon are paid, and free public sani-dumps are essentially nonexistent in this part of southwest Montana. Your cheapest route is usually to dump as part of a paid night at one of the Dillon RV parks, where it typically comes bundled with your site. Dispersed camping in the surrounding national forest is free for up to 14 days, but those sites have no dump facilities, so you will still need to come back into town or a developed campground to empty your tanks properly.

How much does it cost to use a dump station in Dillon?

Expect to pay. Dump-only stops at private RV parks around Dillon generally land somewhere in the five-to-fifteen-dollar range, though prices vary by park and season. If you are staying the night at one of the town's RV parks, dumping and fresh water are usually included in your nightly rate, which makes an overnight the better value if you need both. There are no free public options to speak of here, so we budget for a paid dump every time and treat any freebie as a pleasant surprise rather than the plan.

What should I bring to an RV dump station?

The basics never change: a quality sewer hose with good fittings, disposable gloves, a clear elbow so you can see when the flow runs clean, and a jug of water or a dedicated rinse hose for flushing the black tank. Keep hand sanitizer and a few paper towels handy, and bring your own tank treatment. Around Dillon it is smart to also carry drinking water, since the elevation and cold mean some spigots freeze seasonally. A pair of work gloves and a headlamp help if you end up dumping early or late when the mountain air is chilly.

Can I dump at rest areas in Montana?

Sometimes. Montana DOT rest areas allow an overnight stop of up to 12 hours, one space per vehicle, with no camping setup, and some of them along the interstate system include RV dump stations and threaded water faucets. The catch is that availability is not universal, so you cannot assume every rest area has one. Before you count on a rest-area dump on I-15 near Dillon, check the Montana Department of Transportation rest area map or their 511 travel info. When in doubt, the in-town RV parks are the dependable fallback for emptying tanks.

Are dump stations open in winter in Dillon?

Some are, some are not. Dillon winters are cold and snowy, with lows near 10 degrees and about 21 inches of snowfall a year, which means water lines and spigots can freeze. A few of the in-town RV parks stay open year-round, but seasonal campgrounds and many forest facilities close for the winter. If you are traveling through in the cold months, call ahead to confirm your target dump station is operating, carry your own water, and be ready for the possibility that you will need to route to whichever park keeps its lines heated.

Where do I get water and propane in Dillon?

Dillon is the main supply town for Beaverhead County, so fresh water is available at the local RV parks and at many forest campgrounds, and some Montana rest areas have threaded faucets for filling. Propane refills are available at RV parks and fuel outlets along the I-15 corridor in town. Because services drop off fast once you head into the Beaverhead-Deerlodge National Forest, we always top off water and propane in Dillon before leaving. For anything bigger, Butte is about 65 miles north on I-15 with more service options.

What is the best time of year to visit Dillon in an RV?

Summer through early fall, roughly June to September, is the sweet spot. Days are warm and dry, the Beaverhead River fishing is excellent, and the forest campgrounds are open. Just remember the elevation keeps nights cold, dropping into the mid-40s even in July, so pack warm layers. September is our personal favorite for warm days, crisp nights, and thinner crowds. Winter is beautiful but demanding, with snow, ice on the passes, and frozen spigots, so it is really only for well-prepared cold-weather RVers who have confirmed their facilities are open.

Is there overnight RV parking near I-15 in Dillon?

Yes. Montana DOT rest areas along I-15 allow a 12-hour overnight stop, one space per vehicle, though camping setups like awnings and leveling are not permitted. For a comfortable, legal overnight with hookups and a dump, Countryside RV Park sits right at Exit 59 and is the simplest option if you are just passing through. Beaverhead River RV Park & Campground is another solid choice with riverside sites. We prefer a hookup park over a rest area when we want to actually rest, refill water, and empty tanks all in one stop.

Can I boondock near Dillon?

Absolutely, and it is one of the perks of this area. The Beaverhead-Deerlodge National Forest surrounds Dillon and allows free dispersed camping for up to 14 days with no permit. There are good spots on forest roads west and south of town and around Clark Canyon Reservoir. Come fully self-contained, because these sites have no hookups and no dump facilities, and cell service drops off quickly once you leave the interstate. You will need to return to Dillon or a developed campground to empty tanks and refill water, so plan your dump timing around your boondocking stretch.

What attractions are near Dillon for RVers?

Plenty. Bannack State Park, about 25 miles west, is a remarkably preserved 1860s gold-rush ghost town and Montana's first territorial capital, easily a half-day visit. Clark Canyon Reservoir, roughly 20 miles south, offers fishing, boating, and camping. Crystal Park, up in the national forest, lets you dig for quartz crystals for a $5-per-vehicle fee. And the Beaverhead River runs right through town as a blue-ribbon trout fishery famous for big browns. Dillon also makes a good staging point on the way to Yellowstone country if you are heading that direction.

Are the roads around Dillon RV-friendly?

The main routes are fine. I-15 is the easy interstate spine through town, and Dillon itself is flat and simple to navigate. The two-lane state routes, MT-278 toward Bannack and MT-41 to the northeast, have grades and curves but are manageable in a mid-size rig. The one to respect is Monida Pass at 6,820 feet on the Montana-Idaho line south of town, which can be slow and slick in winter for a heavy rig. Forest roads are gravel and narrow, so scout before committing a big RV, and take mountain grades slow both up and down.

Do the Dillon RV parks have full hookups?

Yes. Countryside RV Park and Beaverhead River RV Park & Campground both offer full-hookup sites with 30 and 50 amp service, and Beaverhead River adds partial-hookup and tent sites plus cabins. Staying at either usually includes dump and fresh water in your nightly rate, which makes them the most predictable choice for emptying tanks. If you only need a dump and not a full night, call ahead, since some parks allow a dump-only stop for a small fee. For a quick interstate turnaround, Countryside at Exit 59 is hard to beat for convenience.

What is the highest-rated dump station in Dillon?

The highest-rated station is Beaverhead Campground with a rating of 4.6/5 stars.

Are there free dump stations in Dillon?

Yes — there are free RV waste disposal options available near Dillon.