Missouri

Ha Ha Tonka State Park

Established: 1978
Acreage: 3,751 · 3,751 acres on the Niangua arm of Lake of the Ozarks; state acquired castle and grounds in 1978
Location: Camden County, MO (~5 mi south of Camdenton)
Key features: Stone ruins of early-1900s castle (12,000 sq ft, 60 rooms, burned 1942); natural bridge; sinkholes; caves; karst topography; spring
Activities: Hiking (15 mi of trails), fishing, boating, exploring castle ruins, photography, birdwatching
Notable: Castle was built by KC businessman Robert Snyder, completed by his sons in the 1920s, then destroyed by fire in 1942

Visits

Source: mostateparks.com · 2026-05-08