This butte is not in the book. Published October 2025 Rattlesnake Butte is a remote but beautiful butte on the Snake River Plain northwest of American Falls. It can be reached on decent BLM roads. USGS Pratt Butte Access Same as for Packsaddle Butte. From Junction 5132, drive 1.8 miles northwest to the unsigned junction for the Antelope Butte climb. … Continue reading




