Idaho
Massacre Rocks State Park
Verified by America’s State Parks Editorial Team – Updated March 2026
Massacre Rocks State Park is a public state park in Idaho near American Falls in Power County. Spanning 990 acres and established in 1967, this park offers a peaceful retreat into nature for visitors of all ages.
Quick Facts
| State | Idaho |
| Nearest City | American Falls |
| County | Power |
| Park Size | 990 acres |
| Established | 1967 |
| Google Rating | ⭐ 4.5/5 (600 reviews) |
Location & Getting There
Massacre Rocks State Park is located near American Falls, Idaho. The park’s coordinates are 42.6808, -112.9836.
Explore More Idaho State Parks
Massacre Rocks State Park is one of many outstanding state parks in Idaho. Discover more parks in our Best State Parks in Idaho guide, or use our Park Finder to search by activity, location, or features.
Last updated: March 6, 2026



