Hiking trails in Wyoming / Montana / Idaho, United States
Browse 9 hiking trails in Wyoming / Montana / Idaho, United States. Compare route difficulty, season, distance, GPX status and open hiking plans.
Showing a selection from 9 public trails. Verify permits, closures, weather, transport and navigation with official sources before departure.
Featured trail guides
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Beaver Ponds Trail
— Wyoming / Montana / Idaho · United States · 8.3 km · Moderate
A varied Mammoth-area loop through sagebrush, woodland and wetland habitat used by abundant wildlife.
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Bunsen Peak Trail
— Wyoming / Montana / Idaho · United States · 7.4 km · Moderate to strenuous
A direct summit hike above Mammoth with wide views over Swan Lake Flat, the Gallatin Range and Yellowstone River Valley.
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Fairy Falls Trail
— Wyoming / Montana / Idaho · United States · 8.6 or 10.7 km · Moderate
A forested Yellowstone day hike to a slender 61-metre waterfall, with an optional extension to Spray and Imperial geysers.
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Forces of the Northern Range Self-guided Trail
— Wyoming / Montana / Idaho · United States · 0.8 km · Easy
A short interpretive boardwalk explaining the ecology and free-roaming wildlife of Yellowstone’s northern range.
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Grand Prismatic Overlook Trail
— Wyoming / Montana / Idaho · United States · 1.9 km · Easy
A short climb from the Fairy Falls trailhead to the elevated public viewpoint over Grand Prismatic Spring.
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Lone Star Geyser Trail
— Wyoming / Montana / Idaho · United States · 7.7 km · Easy
A gentle riverside walk on an old service road to a large cone geyser that erupts roughly every three hours.
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Mammoth Hot Springs Terrace Trails
— Wyoming / Montana / Idaho · United States · Variable km · Easy to strenuous depending on stairs and terrace connection
A flexible boardwalk network through Yellowstone’s active travertine terraces, with route difficulty determined by the chosen stair and grade combination.
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Mystic Falls Trail
— Wyoming / Montana / Idaho · United States · 3.8 standard; approximately 6.2 with overlook extension km · Moderate
A creekside forest hike from Biscuit Basin to the 21-metre Mystic Falls, with an optional steep overlook loop.
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Observation Point Trail — Upper Geyser Basin
— Wyoming / Montana / Idaho · United States · 2.6 standard; approximately 4.0 with extension km · Moderate
A short switchback climb above Old Faithful to a broad view across the Upper Geyser Basin.