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Natural Monuments

United States
Colorado
Boulder County

Steep ascent between First and Second Flat Iron

Discover
Places to see

Natural Monuments

United States
Colorado
Boulder County

Steep ascent between First and Second Flat Iron

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Steep ascent between First and Second Flat Iron

Recommended by 2 people

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Boulder Open Space and Mountain Parks

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    Best routes to Steep ascent between First and Second Flat Iron

    6

    runners

    1. Green Mountain Trail Run Loop — Boulder Open Space & Mountains Parks

    7.91km

    01:29

    640m

    640m

    Hard run. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.

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    Hard

    69

    runners

    Moderate run. Good fitness required. Mostly paved surfaces. Suitable for all skill levels.

    Moderate

    Hard run. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.

    Hard

    Tips

    May 27, 2022

    Pretty technical and steep uphill section in the middle of the famous Flat Irons. Pick this section for your ascent, it will heavily slow you down when going downhill.

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      Details

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      Elevation 2,010 m

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      Sunday 30 November

      -6°C

      -12°C

      73 %

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      Max wind speed: 5.0 km/h

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      Location: Boulder County, Colorado, United States

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