Big Sky · Madison County · MT
Key Hole is a 0.4-mile intermediate (blue) trail near Big Sky, in Madison County, MT. It climbs 10 ft and descends 439 ft, between 8,257 ft and a high point of 8,686 ft. The surface is unpaved. Mapped for hiking, trail running, mountain biking.
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Trail data © OpenStreetMap contributors (ODbL). Elevation: USGS 3DEP. Open the interactive map for routing, weather, and offline use.