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Booking provider: Washington State Parks

Retreat Center - Millersylvania

Olympia, WA

August 2026

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About

Millersylvania State Park is an 842-acre camping park with 3,300 feet of freshwater shoreline on Deep Lake. The park has two swimming beaches, miles of forested hiking and biking trails, boat launches, non-motorized watercraft rentals (kayaks, paddleboards, pedal boats) and abundant fishing. The state capital is a few miles north of the park.

Phone: 360-902-8600