Part of Massacre Rocks State Park, was an emigrant campground where travelers inscribed their names on basalt boulders. The largest of these bolder is now sheltered by a pavilion, with other inscribed rocks nearby. The site, which is a National Register property includes a picnic area and nearby corral for visitors traveling with horses.
Return to Register Road, turn left, and cross over the freeway. Follow signs 2 miles to the park.
Register Rd American Falls, ID 83211