Millersylvania State Park
Millersylvania State Park is a lush, old-growth forest park on the south shore of Deep Lake, known for its towering evergreens, calm swimming beach, and quiet camping areas. Visitors come for year-round recreation, scenic picnic spots, and easy access to water-based activities in a peaceful setting.
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Visiting with Dogs
Dogs allowed in most areas on leash; keep pets under control, clean up waste, and follow posted restrictions.
Visitor Tips & Reviews
What Visitors Say
Peaceful forested park with a beautiful lake, great camping, swimming, kayaking, and easy trails. Visitors love the clean facilities, family-friendly atmosphere, and relaxing nature setting.
Tips from Visitors
- Reserve campsites early in summer and holiday weekends.
- Bring bug spray for mosquitoes near water and wooded areas.
- Wear sturdy shoes for trails with roots and uneven ground.
- Pack swim gear for the lake and beach activities.
- Check park alerts before visiting for closures or weather updates.
Best Time to Visit
The best time to visit Millersylvania State Park is late spring through early fall, when the lake is warm enough for swimming and paddling and the forest trails are at their most inviting. Summer weekends are busiest, while weekdays offer a quieter experience.
Amenities
Nearby Attractions
Explore these attractions near Millersylvania State Park:
- Washington State Capitol CampusThe historic capitol grounds in Olympia feature architecture, gardens, and cultural attractions.11 miles away
- Capitol State ForestA large public forest area offering additional hiking, biking, and dispersed outdoor recreation west of Olympia.12 miles away
- Priest Point ParkA waterfront city park in Olympia with views, trails, and picnic areas along Budd Inlet.12 miles away
Things to Do at Millersylvania State Park
Camping at Millersylvania State Park
Tent and RV camping, cabins, and yurts; reservations recommended. Seasonal availability, restrooms, showers, hookups, fire rings, picnic tables.
Hiking Trails
Millersylvania State Park offers easy, family-friendly day hiking through lush second-growth forest, around quiet lakeshore, and past wetlands with abundant birdlife. Trails are generally flat, well-maintained, and ideal for beginners or a relaxed walk rather than a strenuous hike. Visitors often enjoy the peaceful setting, shaded paths, and scenic views, especially in spring and summer.
Miller's Trail Loop
EasyA scenic loop through mature forest and around wetlands, offering a classic Millersylvania experience with well-maintained paths and lake views nearby.
Lake Trail
EasyA gentle trail that follows the shoreline of Deep Lake, with peaceful water views, forest shade, and access to picnic and beach areas.
Clover Loop Trail
ModerateA longer forest loop with a mix of packed dirt and rooty sections, ideal for hikers wanting a quieter, more immersive woodland walk.
Shoreline Connector Trail
EasyA short connector route linking key park areas with easy terrain and occasional lake glimpses, good for a relaxed outing or family hike.
Directions
From Olympia, take I-5 south to Exit 95, then follow Maytown Road and Tilley Road south to the park entrance. The park is about 20 minutes from downtown Olympia.
Contact & Info
Frequently Asked Questions
What is Millersylvania State Park best known for?
It’s best known for its old-growth forest, peaceful lake setting, and easy access to hiking, boating, and camping. Many visitors like the quiet, family-friendly atmosphere and the scenic trails around Deep Lake.
Are there good hiking trails at Millersylvania State Park?
Yes. The park has several popular trails, including easy forest and lakeside walks. Visitors often mention that the trails are well-maintained, shaded, and great for a relaxed hike rather than a strenuous one.
Can you swim or kayak at Millersylvania State Park?
Yes. Deep Lake is popular for swimming, kayaking, canoeing, and paddleboarding. Reviews often note that the water is calm and the beach area is a nice spot for families in warmer months.
Is Millersylvania State Park good for camping?
Yes. The campground is a major draw, with many visitors praising the wooded sites and convenient amenities. It can be busy in summer, so reservations are a good idea if you want a preferred spot.
Are dogs allowed at Millersylvania State Park?
Yes, dogs are allowed in most outdoor areas if they are leashed. Visitors commonly mention that the park is a nice place to walk dogs, but pets are not allowed in buildings or on designated swim areas.
How crowded does Millersylvania State Park get?
It can get busy on weekends, holidays, and during summer camping season. Many visitors say weekdays are quieter. Arriving early helps with parking and getting a better beach or picnic spot.

Don’t Forget the Essentials
Essential camping & hiking gear we recommend to make your park trip easier and more comfortable.
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