Activities includes swimming, non-motorized boating, camping, fishing, hiking, picnicking, bicycling, wildlife watching, and winter sports.
[1] Facilities include 67 campsites and 37 lean-tos, flush toilets, hot showers, and a dump station.
There is a nature center, and park rangers offer interpretive programs including night hikes, campfire programs, amphibian explorations, and nature crafts and games.
The state has designated 4 acres (1.6 ha) as the Emerald Lake Natural Area, on a steep bank at the south end of the park.
The old-growth forest here features hemlock, sugar maples and other hardwood species, and there are several trees of noteworthy age and size.