Name: Tungsten Loop
Rating: 3.5

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Plan in onX Backcountry

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Description

This short loop around Mud Lake is the perfect place for beginner mountain bikers. The trail never gets too steep nor too technical to handle.

Contacts

Local Club: Boulder Mountainbike Alliance

Nov 17, 2025: Trail Update: South St Vrain

Nov 14, 2025: Another Step Closer to new Betasso Connector

Oct 24, 2025: Boulder County Moves One Step Closer to a Safer Boulder-to-Betasso Connection

Land Manager: Boulder County, CO - Parks and Open Space

Shared By:

Aaron Stoneberger

Full Details

Trail Ratings

3.5 from 6 votes

#3

in Mud Lake Open Space

#22926

Overall

3.5 from 6 votes

5 Star		33%
4 Star		17%
3 Star		17%
2 Star		33%
1 Star		0%

Trail Rankings

#3

in Mud Lake Open Space

#2,023

in Colorado

#22,926

Overall

1 Views Last Month

617 Since Jul 12, 2015

		83%
		0%
		17%
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Photos

Mud Lake is actually a beautiful pond, and if you're lucky you might see a moose here.

Dec 12, 2018 near Nederland, CO

Tungsten Loop - Mud Lake - Nederland - Colorado

Sep 9, 2024 near Nederland, CO

Jul 8, 2020 near Nederland, CO

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Tungsten Loop

“An easy one-mile loop perfect for the beginner mountain biker. ”

0.9

1.4

8,437' 2,572 m

8,357' 2,547 m

89' 27 m

59' 18 m

3%

12%

Toolbox

Know This Trail?

Dogs Leashed

E-Bikes Unknown

Description

Contacts

Shared By:

Trail Ratings

#3

#22926

#3

#2,023

#22,926

Photos

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Weather

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Check-Ins

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Betasso Preserve

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