Register Rock State Historic Site

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


42.652749908557, -113.01870990581

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