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Unsigned, and untouched, the Niwot Ridge is a United Nations International Biosphere Reserve.


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Map Key

2.6

Miles

4.3

KM

89%

Runnable

11,443' 3,488 m

High

10,576' 3,224 m

Low

867' 264 m

Up

81' 25 m

Down

7%

Avg Grade (4°)

17%

Max Grade (9°)

Dogs Leashed

Features Fall Colors · Lake · Views · Wildflowers · Wildlife

Runner Notes

This is a great trail run with generally low grades and open vistas.

Description

The Niwot Ridge Spur Trail (unsigned) heads south from the Jean Lunning Trail after a few hundred yards beyond the intersection with the Niwot Cutoff Trail. Take the left fork and pass a cabin ruin. The trail passes through alpine forest and climbs into the alpine tundra.

Niwot Ridge has been designated by the United Nations as an International Biosphere Reserve for arctic and alpine research. Please remain on the trail.

Contacts

Shared By:

Tom Robson with improvements by Ed Quesada

Trail Ratings

  4.0 from 2 votes

#13077

Overall
  4.0 from 2 votes
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Trail Rankings

#1,157

in Colorado

#13,077

Overall
4 Views Last Month
1,968 Since Apr 29, 2015
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Photos

Unmarked point where the Spur Trail intersects the main Niwot Ridge Trail.
Aug 12, 2022 near Nederland, CO
Entering Niwot Ridge Biosphere Reserve on Niwot Ridge Spur Trail.
Aug 12, 2022 near Nederland, CO
The Niwot Ridge Spur Trail is unmarked at both ends.
Aug 12, 2022 near Nederland, CO
Niwot Ridge Spur Trail above Long Lake.
Aug 12, 2022 near Nederland, CO
The trail up Niwot Spur
Aug 17, 2018 near Nederland, CO
Wildflowers along the way
Jul 25, 2015 near Nederland, CO

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Add Your Check-In

Check-Ins

Aug 18, 2024
Jordan G
Did as part of a larger loop with Sourdough and Niwot Ridge. Gorgeous views above Left-hand Lake 19.3mi — 4h 20m
Sep 9, 2017
Michael Reschly
2.4mi — 0h 32m
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