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Hinsdale County

Slumgullion Pass Climb

Highlight (Segment) • Climb

Slumgullion Pass Climb

Road cycling

5.0

(1)

This Highlight goes through a protected area

Please check local regulations for:

Slumgullion Earthflow

BLM - Gunnison Field Office

Gunnison National Forest

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    Tips

    May 7, 2025

    Road cycling

    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

    Powered by Foreca

    Today

    Wednesday 8 April

    14°C

    -4°C

    16 %

    Additional weather tips

    Max wind speed: 15.0 km/h

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    Location: Hinsdale County, Colorado, United States

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