Gallatin Gateway · Gallatin County · MT
Fs 421 is a 4.4-mile moderate trail near Gallatin Gateway, in Gallatin County, MT. It climbs 2,617 ft and descends 385 ft, between 6,502 ft and a high point of 8,741 ft. Moderate difficulty: calculated from 13% avg grade · 8.9 mi round trip, 3,040 ft climb. The surface is dirt. Mapped for mountain biking, ohv.
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Trail data © OpenStreetMap contributors (ODbL). Elevation: USGS 3DEP. Open the interactive map for routing, weather, and offline use.