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Boulder County

Needle's Eye Tunnel

Highlight • Structure

Needle's Eye Tunnel

Recommended by 2 mountain bikers

This Highlight is in a protected area

Please check local regulations for: Roosevelt National Forest

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    Routes here

    Best Mountain Biking Routes to Needle's Eye Tunnel

    11

    riders

    1. Rollins Pass — Rollinsville

    44.2km

    04:26

    850m

    850m

    Expert mountain bike ride. Good fitness required. Advanced riding skills necessary. Some portions of the route may require you to push your bike.

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    October 18, 2023

    The Needle's Eye Tunnel was a short high altitude railroad tunnel on the Denver to Salt Lake Railway. It was closed in 1990 due to rock fall.

      September 23, 2019

      Gravel bike was fast and rad. But the baby heads would be better suited to a mountain bike

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        Elevation 3,420 m

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        Friday 24 October

        2°C

        -4°C

        25 %

        If you start your activity now...

        Max wind speed: 10.0 km/h

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        Location: Boulder County, Colorado, United States

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