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, visit our Park and Site Status Map.

Park Grounds

Summer Hours (On-Season)

  • April through October
    7 a.m. to sunset daily

Winter Hours (Off-Season)

  • November through March
    8 a.m. to sunset daily

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

Park Office/Visitor Center hours

Temporary Hours

Sept. 6, 2022, through October 2022
10 a.m. to 3 p.m., daily

Regular Hours

Summer Hours (On-Season)

  • April through October
    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.

Winter Hours (Off-Season)

  • November through March
    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.