This butte is not in the book. Published October 2025 Chalky Butte/Benchmark is located just off Reynolds Creek Road in the Owyhee Mountains. It is a beautiful butte/ridge that is unofficially named by BLM. Chalky Butte is most easily climbed directly from Reynolds Creek Road to its west, not from the BLM parking area for “Chalky Butte.” USGS Reynolds Access … Continue reading




