Traverse of the Bitterroot Range: Stories from a 130-Mile Expedition

Featuring: Mark Kreider, Ecologist & Adventure Photographer

Mark Kreider is an ecologist and adventure photographer. He completed his PhD from the University of Montana and is a postdoctoral researcher with the US Forest Service, studying forest fires.

Mark completed a full traverse of the Bitterroot Range in July 2025. The 130-mile journey—from Nez Perce Pass to Lolo Peak—largely follows the Idaho–Montana state boundary, a rugged and remote section of the Northern Rockies that was first surveyed in 1904–1905.

Sharing stories, photos, and reflections from the trip, Mark will highlight both the challenges of off-trail travel and planning a self-supported expedition, as well as a fascinating history of the original survey expedition.

📅 March 25 2026 | ⏰ 6:30–8:00 PM | 📍 1245 S 3rd St W, Missoula

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Xplorer Maps, 1245 S 3rd ST W, Missoula, United States

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