Millersylvania State Park

A small park near Olympia great for social outings and field trips. Deep Lake with it's protected areas is great for practicing sea kayaking techniques.

park amenities

  • Campground
  • Restrooms
  • 4 kitchen shelters with electricity
  • 125 unsheltered picnic tables
  • 30 sheltered picnic tables
  • Amphitheater
  • 3 fire circles
  • 3 horseshoe pits
  • 7.6 miles of mountain bike trails
  • 8.6 miles of hiking trails
  • 100-feet of dock
  • Boat ramp
  • Kayak, paddle board, and pedal boat rentals

Deep lake

The majority of Deep Lake is located within Millersylvania State Park, and public access is provided via a boat launch in the park.  Since only "car top" boats can be launched, which prevents all but the smallest trolling motors, the lake is largely reserved for non-powered craft.  It's great for sea kayak practicing sea kayaking techniques.

Information for Leaders

The Mountaineers has a commercial use permit with Washington State Parks for all free and fee-based outings at state parks. Leaders should carry a print or digital copy of our  commercial use permit to show rangers they may encounter.

12245 Tilley Rd SW, Olympia, WA 98512

Upcoming Activities

There are no activities scheduled at this location.

Trip Reports

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  • Deep Lake
  • Deep Lake, Millersylvania State Park

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