Following guidance from the CDC and recommendations from state and local public health authorities, the BLM is temporarily restricting in-person public access to visitor centers and public rooms in our Wyoming offices. Please check with individual offices regarding customer services available by phone or email. Click here to learn more.
Rock Springs Field Office 280 Highway 191 North Rock Springs, WY 82901
US Highway 191 north to mile marker 10. East on to County 4-17 eighteen miles. West onto the Boar's Tusk access route three miles to the feature. A high-clearance vehicle is recommended for the access road.
At 7100 ft elevation, Boar's Tusk is a dormant volcanic structure rising 400 ft above the valley floor. Used as a landmark for hikers, mountain bikers and railroad travelers, this distinct feature is the core of a long dormant volcanic eruption. The Lamporite material that makes up the feature dates back 2.5 million years.
A high-clearance vehicle is recommended for the access road.