Lolo · Missoula County · MT
South O'Brien Loop is a 5.0-mile trail near Lolo, in Missoula County, MT. It climbs 2,104 ft and descends 2,363 ft, between 3,553 ft and a high point of 4,338 ft. The surface is ground. Mapped for hiking, trail running.
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Trail data © OpenStreetMap contributors (ODbL). Elevation: USGS 3DEP. Open the interactive map for routing, weather, and offline use.