Climbing Slumgullion Pass northbound on Highway 149 is a journey into the heart of the rugged San Juan Mountains, notorious for its challenging gradients and stunning high-alpine scenery. You'll ascend through beautiful, remote forests for approximately 7-8 miles, gaining over 2,100 ft to reach the lofty 11,530 ft summit. This is a tough climb, averaging a steep 6% or more, but be particularly prepared for its well-known steepness: the hardest mile averages near 9.3%, with sustained pitches that can push 12-14% or even steeper. Enjoy the wild beauty and solitude as you wind your way up this paved scenic byway.

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Details

Informations

Distance 12.3 km

Uphill 910 m

Downhill 70 m

Weather

Sunday 28 December

-3°C

-13°C

0 %

Additional weather tips

Max wind speed: 4.0 km/h

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Location: Hinsdale County, Colorado, United States

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