Pipestone Pass is a mountain pass in the Rocky Mountains of Montana in the United States. It sits on the Continental Divide in Silver Bow County, Montana, 10 miles south of Butte, Montana, in Beaverhead-Deerlodge National Forest, at an elevation of 6,453 feet.
Elevation: 1,935 m (6,348 ft)
Location: Silver Bow County, Montana, United States
Traversed by: Montana State Route 2 and abandoned Milwaukee Road mainline (via Pipestone Tunnel).