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RV Parks In Cambridge, Wisconsin

43.0036° N, 89.0165° W

Quick Overview

Cambridge is a small pottery-and-lake town on Lake Ripley, sitting on US-12/18 just east of Madison in southern Wisconsin. It is not a big RV destination in its own right, but it makes a relaxed base for a few days of paddling, biking the Glacial Drumlin State Trail, and browsing the downtown studios, and there is a good spread of camping within a short drive.

The public anchor is Lake Kegonsa State Park near Stoughton, about 15 miles southwest. It puts you right on the lake with 96 campsites, 29 of them wired for electric, plus a dump station, hot showers, and reservable and first-come sites. It runs May 1 through October 31 and needs a Wisconsin State Park admission sticker on top of the nightly fee. If you want full hookups instead, the private parks deliver: Milton KOA Holiday, roughly 18 miles south right off I-90/39, has 180 full-hookup sites with 20, 30, and 50 amp service and pull-through spots for bigger rigs, while Jellystone Park of Fort Atkinson and Wishing Well RV Resort cover the family-resort and quiet-stay niches near Lake Koshkonong to the southeast.

So the choice here is the familiar one: a scenic, lower-cost state-park loop with electric-only sites, or a private resort with full hookups, a pool, and easy big-rig access. We lean toward Lake Kegonsa for the lakeside setting and the price, and toward Milton KOA Holiday when we want sewer at the pad and room to maneuver a long coach. Either way, Cambridge itself is worth the day trips, with Lake Ripley swimming, CamRock County Park along Koshkonong Creek, and Rowe Pottery Works downtown. Reserve early for summer weekends since the electric sites and full-hookup pads fill fast, roll in on US-12/18, and settle in for a comfortable southern-Wisconsin stay. The camping season runs late spring through early fall, so aim for May through October and expect the state park to close once the snow arrives.

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Traveling to Cambridge by RV

Cambridge sits on US-12/18 east of Madison, a wide and easy highway for most of the drive, with WI-134 running north toward Lake Mills. Most RVers arrive from the Madison side on US-12/18 or come up from Fort Atkinson to the southeast. The nearest interstate is I-90/39/94, which passes west of Madison about 20 miles away, and the Milton KOA Holiday sits right off I-90/39 at Exit 163 if you want the simplest possible approach with a big rig.

There are no notable low bridges or weight limits on the main routes, so a 40-foot coach tows in without stress. The one caution is downtown Cambridge itself, where the streets around the pottery shops get tight; stage at the highway-edge lots rather than threading a long rig through the old town core. Fuel up on gas or diesel along US-12/18, and plan to resupply groceries and propane in Fort Atkinson or the Madison suburbs, since Cambridge is small. For state-park reservations, book through the Wisconsin DNR system before you arrive.

Before You Go: RV Trip Essentials

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

Cambridge-area camping splits cleanly by type. Lake Kegonsa State Park is the budget option at roughly $30 a night for a site plus a small online reservation fee, with the catch that every vehicle also needs a Wisconsin State Park admission sticker. If you are touring several Wisconsin parks, the annual sticker quickly pays for itself; for a single stop, the daily sticker is the cheaper call.

The private parks cost more. Milton KOA Holiday sits in the premium KOA price tier, especially on summer weekends and holidays when full-hookup pull-throughs command top rates, though KOA Rewards members shave a bit off. Jellystone Park of Fort Atkinson prices around its pool and kid activities, so you are partly paying for the entertainment. The honest trade-off: pay less and go electric-only at the state park, or pay more for full hookups, sewer at the pad, and resort amenities at the private parks. For a quiet, cheap couple of nights, Lake Kegonsa is hard to beat.

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What RVers Are Saying About Cambridge

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Best Time to Visit Cambridge by RV

❄️

Winter

Nov - Feb

13F - 29F

Crowds: Low

Lake Kegonsa closes for the season and most private parks shut down, so year-round RV camping options here are thin. If you come, plan a fully winterized rig and confirm anything is open first.

🌸

Spring

Mar - May

37F - 57F

Crowds: Low

Campgrounds reopen around May 1 as the mud dries out. Sites are wide open and rates are at their lowest, though early spring stays cold and wet in southern Wisconsin.

☀️

Summer

Jun - Aug

60F - 82F

Crowds: High

The busy stretch. Warm humid days, Lake Ripley swimming, and full campgrounds on weekends, so reserve Lake Kegonsa electric sites and Milton KOA hookups well ahead.

🍂

Fall

Sep - Oct

40F - 60F

Crowds: Medium

A quiet, comfortable window with fall color along Koshkonong Creek. Weekends still fill at the private parks, but midweek is easy right up until the state park closes October 31.

Explore the Cambridge Area

A few things we would tell a friend heading to Cambridge. First, Lake Kegonsa State Park only has 29 electric sites out of 96, so if you need power, book one early for any summer weekend or plan to grab a first-come non-electric site midweek. Second, the Glacial Drumlin State Trail runs right through town, so bring bikes; the crushed-limestone rail trail is flat and easy and connects Cambridge to a long stretch of glacial countryside.

Third, treat Fort Atkinson and the Madison suburbs as your resupply points. Cambridge has a small grocery and gas, but for a full stock-up on food, propane, and any RV parts you will do better a short drive away. Fourth, if you are running a big coach or a long fifth-wheel, favor Milton KOA Holiday or the Fort Atkinson resorts over the tighter state-park loops for easier backing and pull-through room. Finally, do not skip the water time; Lake Ripley in town and Koshkonong Creek at CamRock County Park are the whole point of camping here.

National Parks Nearby

Frequently Asked Questions About Dump Stations in Cambridge

What are the best RV parks near Cambridge, WI?

For a public option, Lake Kegonsa State Park near Stoughton is the go-to; it sits on a lake about 15 miles southwest with 96 sites, 29 of them wired for electric, and an on-site dump station. On the private side, Milton KOA Holiday roughly 18 miles south offers 180 full-hookup sites with 20, 30, and 50 amp service, while Jellystone Park of Fort Atkinson and Wishing Well RV Resort cover the family-resort niche near Lake Koshkonong, about 12 miles southeast. Between them you get everything from a quiet state-park loop to full hookups with a pool.

Do RV parks near Cambridge have full hookups?

Yes, if you pick the private parks. Milton KOA Holiday runs full hookups with 20, 30, and 50 amp service and pull-through sites for bigger rigs, and Jellystone Park of Fort Atkinson and Wishing Well RV Resort both offer full-hookup sites with 30 and 50 amp. The public choice is different: Lake Kegonsa State Park has 29 electric sites but no water or sewer at the site, so you fill fresh water at the spigot and use the park dump station on your way out. If sewer at your pad matters, book one of the private resorts.

How much does RV camping cost near Cambridge?

Lake Kegonsa State Park is the budget pick at about $30 a night for a campsite plus a small reservation fee, though you also need a Wisconsin State Park vehicle admission sticker on top. The private full-hookup parks like Milton KOA Holiday run higher, generally landing in the premium tier that KOA resorts occupy, especially on summer weekends and holidays. Jellystone Park of Fort Atkinson prices around its kid-focused amenities, so you pay for the pool and activities. If you want the lowest nightly cost, the state park wins; if you want full hookups and amenities, budget more.

How far ahead should I reserve a campsite near Cambridge?

For summer weekends, reserve as early as you can. Lake Kegonsa State Park takes reservations through the Wisconsin state system up to eleven months out, and its 29 electric sites go fast for June through August weekends, so booking months ahead is smart. Milton KOA Holiday is already accepting reservations for future seasons and requires weekend bookings paid in full, another sign summer fills early. Midweek and shoulder-season stays in spring and fall are far easier and you can often book just days ahead. Holidays like the Fourth of July are the hardest dates all year.

When is the best time to go RV camping near Cambridge?

Late spring through early fall is the window. Campgrounds around here open near May 1 and the state park closes October 31, so that stretch is your realistic season. Summer brings warm days and Lake Ripley swimming but also the biggest crowds and the need to reserve ahead. Early fall is arguably the sweet spot, with crisp air, color along Koshkonong Creek, and easier midweek availability. Spring is quiet and cheap but cold and often muddy early on. Winter is effectively off, since the state park closes and most private parks shut down.

Can big rigs camp near Cambridge?

Yes, though where you go matters. The private parks are the better bet for a 35 to 40 foot coach or a long fifth-wheel combo. Milton KOA Holiday has pull-through sites built for larger rigs with full hookups and easy interstate access off I-90/39, which makes getting in and out simple. Jellystone Park of Fort Atkinson and Wishing Well RV Resort also handle bigger rigs. Lake Kegonsa State Park can take RVs, but like many older state parks its loops run smaller and tighter, so check individual site lengths when you reserve if you are running long.

Are there free or first-come camping options near Cambridge?

Not really, and it is better to know that up front. Cambridge is a small lake-and-farm town without the public forest land that supports dispersed boondocking, so there is no reliable free RV camping in the area. Retail-lot overnighting is not dependable in a town this size either. Lake Kegonsa State Park does hold some sites back from the reservation system for first-come use, so that is your closest thing to a walk-up option, but it is not free. For a guaranteed spot, plan on reserving one of the area parks rather than counting on free camping.

Is there public RV camping near Cambridge?

Yes. Lake Kegonsa State Park is the public campground for this area, sitting on the lake near Stoughton about 15 miles southwest of Cambridge. It has 96 campsites, 29 with electric hookups, plus drinking water, flush toilets, hot showers, and a dump station. Sixty-eight of the sites are reservable through the Wisconsin state park system and the rest are first-come. The campground runs May 1 through October 31. You will need a Wisconsin State Park vehicle admission sticker in addition to the nightly camping fee, but it is the scenic, lower-cost alternative to the private resorts.

What is there to do around Cambridge while camping?

Plenty for a relaxed couple of days. Lake Ripley sits right in town with a public beach, boat landings, and Ripley Park for swimming, paddling, and fishing. CamRock County Park, a 422-acre spread along Koshkonong Creek between Cambridge and Rockdale, has hiking, mountain-bike trails, and a canoe launch. The Glacial Drumlin State Trail, a 52-mile rail trail, runs right through town, so bring bikes. Downtown, Rowe Pottery Works and the area studios make Cambridge a genuine pottery destination. Add the museums and creekside parks and you have more than a one-night stop here.

Can I camp near Lake Ripley in Cambridge?

You can camp near it, though not directly on it in an RV. Lake Ripley itself is a 418-acre lake with a public beach and boat landings right in Cambridge, great for swimming and paddling, but the lake does not have its own RV campground. To camp and still enjoy Lake Ripley, base yourself at Lake Kegonsa State Park about 15 miles away or one of the private parks like Milton KOA Holiday and drive in for the day. If lakeside camping is the goal, Lake Kegonsa puts you on the water directly with electric sites.

Do I need a Wisconsin state park sticker to camp at Lake Kegonsa?

Yes. Every vehicle entering a Wisconsin state park, including Lake Kegonsa State Park, needs a State Park vehicle admission sticker, and that is separate from your nightly camping fee and reservation fee. You can buy a daily or annual sticker, and if you plan to visit several Wisconsin state parks on the same trip the annual sticker pays for itself quickly. The private parks like Milton KOA Holiday and Jellystone Park of Fort Atkinson do not require a state sticker since they are not part of the state system, so factor that into your cost comparison.

How do I get to Cambridge with an RV?

Cambridge sits on US-12/18 east of Madison, a wide and easy highway for most of the run, with WI-134 heading north toward Lake Mills. Most RVers arrive from the Madison side on US-12/18 or from Fort Atkinson to the southeast. The nearest interstate is I-90/39/94, which runs west past Madison about 20 miles away, and the Milton KOA sits right off I-90/39 at Exit 163 if you want the simplest approach. There are no notable low bridges or weight limits on the main routes, so a 40-foot rig gets in without trouble.

Are the campgrounds near Cambridge open in winter?

Mostly no. Lake Kegonsa State Park runs its campground from May 1 through October 31 and closes for the winter, and most of the private parks in the Fort Atkinson and Milton area shut down or drop to seasonal-only operation once the cold sets in. Southern Wisconsin winters are genuinely cold and snowy, so year-round RV camping options here are thin. If you are traveling through in the off-season, call ahead to confirm anything is actually open and expect to run a fully winterized rig. The realistic camping season is late spring through fall.

What are the best RV parks near Cambridge, WI?

For a public option, Lake Kegonsa State Park near Stoughton is the go-to; it sits on a lake about 15 miles southwest with 96 sites, 29 of them wired for electric, and an on-site dump station. On the private side, Milton KOA Holiday roughly 18 miles south offers 180 full-hookup sites with 20, 30, and 50 amp service, while Jellystone Park of Fort Atkinson and Wishing Well RV Resort cover the family-resort niche near Lake Koshkonong, about 12 miles southeast. Between them you get everything from a quiet state-park loop to full hookups with a pool.

Do RV parks near Cambridge have full hookups?

Yes, if you pick the private parks. Milton KOA Holiday runs full hookups with 20, 30, and 50 amp service and pull-through sites for bigger rigs, and Jellystone Park of Fort Atkinson and Wishing Well RV Resort both offer full-hookup sites with 30 and 50 amp. The public choice is different: Lake Kegonsa State Park has 29 electric sites but no water or sewer at the site, so you fill fresh water at the spigot and use the park dump station on your way out. If sewer at your pad matters, book one of the private resorts.

How much does RV camping cost near Cambridge?

Lake Kegonsa State Park is the budget pick at about $30 a night for a campsite plus a small reservation fee, though you also need a Wisconsin State Park vehicle admission sticker on top. The private full-hookup parks like Milton KOA Holiday run higher, generally landing in the premium tier that KOA resorts occupy, especially on summer weekends and holidays. Jellystone Park of Fort Atkinson prices around its kid-focused amenities, so you pay for the pool and activities. If you want the lowest nightly cost, the state park wins; if you want full hookups and amenities, budget more.

How far ahead should I reserve a campsite near Cambridge?

For summer weekends, reserve as early as you can. Lake Kegonsa State Park takes reservations through the Wisconsin state system up to eleven months out, and its 29 electric sites go fast for June through August weekends, so booking months ahead is smart. Milton KOA Holiday is already accepting reservations for future seasons and requires weekend bookings paid in full, another sign summer fills early. Midweek and shoulder-season stays in spring and fall are far easier and you can often book just days ahead. Holidays like the Fourth of July are the hardest dates all year.

When is the best time to go RV camping near Cambridge?

Late spring through early fall is the window. Campgrounds around here open near May 1 and the state park closes October 31, so that stretch is your realistic season. Summer brings warm days and Lake Ripley swimming but also the biggest crowds and the need to reserve ahead. Early fall is arguably the sweet spot, with crisp air, color along Koshkonong Creek, and easier midweek availability. Spring is quiet and cheap but cold and often muddy early on. Winter is effectively off, since the state park closes and most private parks shut down.

Can big rigs camp near Cambridge?

Yes, though where you go matters. The private parks are the better bet for a 35 to 40 foot coach or a long fifth-wheel combo. Milton KOA Holiday has pull-through sites built for larger rigs with full hookups and easy interstate access off I-90/39, which makes getting in and out simple. Jellystone Park of Fort Atkinson and Wishing Well RV Resort also handle bigger rigs. Lake Kegonsa State Park can take RVs, but like many older state parks its loops run smaller and tighter, so check individual site lengths when you reserve if you are running long.

Are there free or first-come camping options near Cambridge?

Not really, and it is better to know that up front. Cambridge is a small lake-and-farm town without the public forest land that supports dispersed boondocking, so there is no reliable free RV camping in the area. Retail-lot overnighting is not dependable in a town this size either. Lake Kegonsa State Park does hold some sites back from the reservation system for first-come use, so that is your closest thing to a walk-up option, but it is not free. For a guaranteed spot, plan on reserving one of the area parks rather than counting on free camping.

Is there public RV camping near Cambridge?

Yes. Lake Kegonsa State Park is the public campground for this area, sitting on the lake near Stoughton about 15 miles southwest of Cambridge. It has 96 campsites, 29 with electric hookups, plus drinking water, flush toilets, hot showers, and a dump station. Sixty-eight of the sites are reservable through the Wisconsin state park system and the rest are first-come. The campground runs May 1 through October 31. You will need a Wisconsin State Park vehicle admission sticker in addition to the nightly camping fee, but it is the scenic, lower-cost alternative to the private resorts.

What is there to do around Cambridge while camping?

Plenty for a relaxed couple of days. Lake Ripley sits right in town with a public beach, boat landings, and Ripley Park for swimming, paddling, and fishing. CamRock County Park, a 422-acre spread along Koshkonong Creek between Cambridge and Rockdale, has hiking, mountain-bike trails, and a canoe launch. The Glacial Drumlin State Trail, a 52-mile rail trail, runs right through town, so bring bikes. Downtown, Rowe Pottery Works and the area studios make Cambridge a genuine pottery destination. Add the museums and creekside parks and you have more than a one-night stop here.

Can I camp near Lake Ripley in Cambridge?

You can camp near it, though not directly on it in an RV. Lake Ripley itself is a 418-acre lake with a public beach and boat landings right in Cambridge, great for swimming and paddling, but the lake does not have its own RV campground. To camp and still enjoy Lake Ripley, base yourself at Lake Kegonsa State Park about 15 miles away or one of the private parks like Milton KOA Holiday and drive in for the day. If lakeside camping is the goal, Lake Kegonsa puts you on the water directly with electric sites.

Do I need a Wisconsin state park sticker to camp at Lake Kegonsa?

Yes. Every vehicle entering a Wisconsin state park, including Lake Kegonsa State Park, needs a State Park vehicle admission sticker, and that is separate from your nightly camping fee and reservation fee. You can buy a daily or annual sticker, and if you plan to visit several Wisconsin state parks on the same trip the annual sticker pays for itself quickly. The private parks like Milton KOA Holiday and Jellystone Park of Fort Atkinson do not require a state sticker since they are not part of the state system, so factor that into your cost comparison.

How do I get to Cambridge with an RV?

Cambridge sits on US-12/18 east of Madison, a wide and easy highway for most of the run, with WI-134 heading north toward Lake Mills. Most RVers arrive from the Madison side on US-12/18 or from Fort Atkinson to the southeast. The nearest interstate is I-90/39/94, which runs west past Madison about 20 miles away, and the Milton KOA sits right off I-90/39 at Exit 163 if you want the simplest approach. There are no notable low bridges or weight limits on the main routes, so a 40-foot rig gets in without trouble.

Are the campgrounds near Cambridge open in winter?

Mostly no. Lake Kegonsa State Park runs its campground from May 1 through October 31 and closes for the winter, and most of the private parks in the Fort Atkinson and Milton area shut down or drop to seasonal-only operation once the cold sets in. Southern Wisconsin winters are genuinely cold and snowy, so year-round RV camping options here are thin. If you are traveling through in the off-season, call ahead to confirm anything is actually open and expect to run a fully winterized rig. The realistic camping season is late spring through fall.

Are there free dump stations in Cambridge?

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