Year-round Deep Lake campground south of Olympia with 93 standard and 45 utility sites, showers, a trailer dump, forest trails, and a 60-foot limit.
Millersylvania State Park surrounds Deep Lake in forest south of Olympia. The official campground brochure and current campground map identify 93 standard campsites and 45 utility sites, for 138 vehicle campsites. Washington State Parks lists showers, drinking water, a trailer dump, and an equipment limit of 60 feet. Campsites can be reserved year-round. A trail near campsite 31 is closed indefinitely; use the current park map and alerts when choosing routes through the campground.
Millersylvania State Park includes forest trails, wetlands, and Deep Lake. Visitors use the lake for swimming, paddling, and fishing; check current park alerts and seasonal water conditions before a visit.
Practical guidance assembled from current operator maps, park pages, and clearly identified community observations.
Deep Lake waterfront sites in Loop A (1–40) are the most popular — book these first. Loops B and C have full hookup sites convenient for extended stays. The lake is excellent for non-motorized boating and swimming. Easy access to Olympia and the Capitol Campus for day trips. The old-growth forest trails in the park interior are beautiful and underused — a peaceful morning walk from any campsite.
| 📍 Nearest Town | Olympia (12 mi) |
| ⛽ Gas Station | 6 mi |
| 🛒 Grocery Store | 6 mi |
| 🏪 Costco | 12 mi |
| ☕ Starbucks | 6 mi |
| 🏕️ Nearest State Park | 8 mi |
Stock up in Olympia (12 mi) before heading out — services get limited near the campground.
Ready to book?
Campsites reservable year-round; unreserved sites may be available first-come. Confirm current rules, site dimensions, and conditions with the operator. Booking and availability are handled externally.