Massacre Rocks State Park is a state park of Idaho, USA, featuring the Massacre Rocks, a famous spot along the Oregon Trail and California Trail during the middle 19th century.
Massacre Rocks State Park is a state park in the U.S. state of Idaho. Located in Power County, along the Snake River west of American Falls, the park includes Massacre Rocks, a famous spot along the Oregon Trail and California Trail during the middle 19th century.