Ha Ha Tonka State Park
State park · Missouri
The stone walls of a 1905 mansion, gutted by fire in 1942, stand above a Lake of the Ozarks inlet as the centerpiece of this 3,751-acre park near Camdenton. An easy 0.8-mile paved trail leads to the castle ruins, passing karst sinkholes, a natural bridge, and lake overlooks along the way.
Don’t miss
Peak: October 31–November 4
Color builds from October 18 · mostly bare by November 25
Method: daily ERA5 temperatures drive a photoperiod + chilling phenology model, sampled at Ha Ha Tonka State Park’s own coordinates and elevation (267 m) rather than a regional average. Estimates, not promises — check locally before you plan a trip around it.
Ha Ha Tonka State Park on the map
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Frequently asked
- When does Ha Ha Tonka State Park peak in 2026?
- Peak color is predicted for October 31–November 4 (best estimate November 2). Color starts around October 18 and is mostly bare by November 25.
- What is Ha Ha Tonka State Park best for?
- Castle ruins above the lake.
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