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Massacre Rocks is part of the much larger “American Falls Archaeological District” (AFAD). There are multiple land jurisdictions in both the AFAD and where climbing takes place (see BLM Map). Extensive and well documented studies of the AFAD near and around the Snake River show many cultural resources and evidence of human habitation for at least the last 13,000 years. This area is considered sacred to the local Shoshone- Bannock tribes. Be respectful and minimize your footprint and impact in the area. Keep your staging area small and contained. Pick up and pack out your trash including tape, orange or banana peels, cigarette butts, etc. Prevent your dog from digging. Don’t start or make any fires, especially near the base of cliffs.
Also, please, only park in one of the designated parking areas and respect all road closures. Sandy soils in the AFAD are prone to wind erosion. Motorized vehicles and even foot traffic can damage the fragile ecology and could destroy rare, irreplaceable evidence of 13,000 years of human habitation. When hiking to the crags use established trails and don’t short cut or braid existing trails. Use the following graphic from the BLM to understand which areas are closed to motorized travel.
