Iowa
Lake Keomah State Park
Verified by America’s State Parks Editorial Team – Updated March 2026
Lake Keomah State Park is a public state park in Iowa near Oskaloosa in Mahaska County County. Spanning 366 acres and established in 1934, this park offers a peaceful retreat into nature for visitors of all ages.
Quick Facts
| State | Iowa |
| Nearest City | Oskaloosa |
| County | Mahaska County |
| Park Size | 366 acres |
| Established | 1934 |
| Google Rating | ⭐ 4.4/5 (350 reviews) |
Location & Getting There
Lake Keomah State Park is located near Oskaloosa, Iowa. The park’s coordinates are 41.2942, -92.5419.
Explore More Iowa State Parks
Lake Keomah State Park is one of many outstanding state parks in Iowa. Discover more parks in our Best State Parks in Iowa guide, or use our Park Finder to search by activity, location, or features.
Last updated: March 6, 2026

