Green River Rocks is hosted by Epicenter and the Bureau of Land Management on the grounds of the John Wesley Powell River History Museum. The festival is free, open to the public, and features expert-led natural history field trips, rock and mineral…

Green River Rocks (formerly the Green River Rock & Mineral Festival) is on for 2023! Field Trips How to sign up for a field trip - Attendees can sign up for trips before and during the Friday evening lecture and also on Saturday and Sunday…