Millersylvania Campground offers 123 campsites (48 with electric hookups) in an old-growth forest setting on Deep Lake, with a hand-carry only boat launch, dock, and rental options for kayaks, paddleboards, and pedal boats.

The park features two swimming beaches, flush toilets, showers, a dump station, and is located conveniently between Olympia and Centralia with a maximum RV size of 60 feet (limited availability).

Reservations are available mid-May through mid-September, with first-come, first-serve camping available the rest of the year.