Did you know that the Bridger Mountains are full of 300-million-year-old ocean fossils? Join Outreach Program Manager Ashley Hall and MSU geologist Dr. Devon Orme for a day of exploring the backside of beautiful Sacagawea Peak. This hike will be strenuous and cover 5 miles on foot. Please wear solid hiking shoes; bring a sack lunch, plenty of water, and dress for the weather. The exact meeting location and details will be emailed the week before the trip. Lace-up your boots and get ready for a good hike! Limited to 15 adults.