Millersylvania State Park - United States
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About Millersylvania State Park
RV quick facts for Millersylvania State Park
| Detail | Information |
|---|---|
| Max RV length | Sites accommodate RVs up to about 35 ft; check individual site dimensions when booking |
| Full hookups | No full hookups; utility sites offer water and electric only |
| Dump station | Yes, on-site dump station available to registered campers |
| Generator hours | Generators allowed during posted quiet-hour exceptions; quiet hours 10 p.m. to 6:30 a.m. |
| Cell service | Generally reliable LTE coverage from major carriers due to proximity to I-5 and Olympia |
| Reservation window | Up to 9 months in advance via Washington State Parks reservation system |
| Discover Pass | Day-use vehicles require a Washington State Discover Pass; included with overnight camping fee |
| Road restrictions | No tunnels or steep grades on approach; standard state park speed limit of 5 mph inside campground loops |
Featured RV rentals for Millersylvania State Park
2008 • (9)
2022 • New listing
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2020 • (1)
2021 • (1)
2008 • New listing
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2006 • New listing
RV Rentals Millersylvania State Park
Millersylvania State Park, WA, United States
How to get to Millersylvania State Park
The park sits just off Interstate 5 at Exit 95, about 12 miles south of Olympia and roughly a 75 to 90 minute drive from Seattle or Tacoma in normal traffic. From Portland, Oregon, the drive is about 2 hours 15 minutes north on I-5. Approach roads are flat and RV-friendly with no tunnels or steep mountain grades, though the final stretch on Tilley Road S is a two-lane rural route, so watch for tight turns into the campground entrance. The nearest major airport for fly-and-rent travelers is Seattle-Tacoma International (SEA), about 60 miles north.
Best time to visit Millersylvania State Park
Late June through early September offers the warmest, driest weather and the best conditions for swimming and paddling on Deep Lake. May and late September are quieter shoulder months with cool, often damp weather but easier campsite availability and full facility operation. Winters are wet and chilly in the South Sound; some loops and services run on a reduced schedule, so RV travelers should confirm openings before arrival. Weekends and holidays in summer book out months ahead, so reserve early.
Cool and wet; reduced winter services, confirm campground status
Wet and chilly; limited winter operations
Cool spring rain; fewer crowds
Mild, mixed sun and showers
Pleasant shoulder season
Warming up; reservations fill on weekends
Peak season, book early
Peak season; warm and dry
Quieter shoulder month with comfortable temperatures
Cooler and wetter as fall sets in
Wet and cool; verify open campground loops
Wet winter conditions; limited services
Things to do at Millersylvania State Park
- Swim and Picnic at Deep Lake EasyRV parking available
Deep Lake offers a designated summer swim area with a sandy beach, a roped-off swimming zone, and CCC-era picnic shelters along the shoreline. Day-use parking is large enough for tow vehicles after dropping the trailer at camp.
- Boat Launch and Paddling EasyRV parking available
A small boat launch on Deep Lake provides access for kayaks, canoes, paddleboards, and electric or low-horsepower fishing boats. The lake is non-motorized friendly and ringed with forested shoreline ideal for slow exploration.
- Environmental Learning Trails EasyRV parking available
Several short interpretive loops wind through old-growth cedar and fir forest near the campground and environmental learning center. Trails are mostly flat and family-friendly, with signage explaining the park's natural and CCC history.
- Fishing on Deep Lake EasyRV parking available
Deep Lake is stocked with rainbow trout and also holds bass, perch, and other warmwater species. Anglers can fish from the shoreline, dock, or small boats; a Washington fishing license is required.
- CCC Heritage Walk EasyRV parking available
The park preserves a collection of stone-and-log buildings, kitchens, and shelters constructed by the Civilian Conservation Corps in the 1930s. A self-guided walk through the day-use area showcases this New Deal era craftsmanship.
- Birdwatching and Wildlife Viewing EasyRV parking available
The mix of mature forest, wetland, and lake shoreline supports woodpeckers, songbirds, waterfowl, and the occasional bald eagle. Early morning along the lakeshore trail is the most productive time for sightings.
- Day Trip to Olympia and the State Capitol Easy
The park is about 20 minutes from downtown Olympia and the Washington State Capitol Campus, making it an easy base for a half-day visit. Capitol tours, the waterfront, and Farmers Market are popular stops for RV travelers.
Top Hosts near WA, United States
We had such a great weekend camping in the Memory Maker! Danielle has thought of everything when it comes to making life easy while you are “roughing it”. We felt cozy and comfortable sleeping as a family of 5. It was easy to pull behind our Tahoe as well. Great experience all around, we already have our next trip booked!
Phil G. - Aug 2025
Danielle is a great host! The trailer was wonderfully laid out and perfect for a family of four. It was very clean and everything worked perfectly! Our family had a great time and would definitely rent from Danielle again!
Gene B. - Jul 2025
Smooth, simple, amazing process and owners
Kevin R. - May 2025
Michael’s RV was excellent. His communication was prompt and clear. The RV is in good shape, drove easily, and was very clean. The snacks and coffee were appreciated and the airport pickup and drop off was incredibly smooth. I’d definitely rent from Michael again on my next trip to Seattle.
Reid L. - Sep 2024
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