Castle Ruins

at Ha Ha Tonka State Park

rock castle ruins

Park Hours

Coordinates

37.976084, -92.769853

Park Hours

For temporary closures related to weather, stewardship activities and maintenance, as well as temporary trail closures, click here to visit our Park and Site Status Map.


On the following days (actual or observed), staff will not be available and park buildings will be closed: Thanksgiving Day; Nov. 29, 2024; Christmas Eve; Christmas Day; New Year’s Eve; New Year’s Day; Martin Luther King Jr. Day; Lincoln’s Birthday; and Presidents Day. 

Park Grounds

April through October (On-Season)
7 a.m. to sunset, daily

November through March (Off-Season)
8 a.m. to sunset, daily

The outdoor interpretive area, restrooms and brochures are available during these times. The park gates close at sunset. 

Park Office/Visitor Center hours

April through October (On-Season)

10 a.m. to 5 p.m. daily

On occasion, the park office may be temporarily closed while park staff assist large groups or conduct outdoor interpretive programs.

November through March (Off-Season)

The office is not regularly staffed. Park staff are usually available in the park daily. The office telephone is monitored for messages between 8 a.m. and 4 p.m., Monday through Friday.