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High Plains

Easy/Intermediate Easy/Intermediate
 3.2 (23)
  1. Areas
  2. CO
  3. …Front Range
  4. …Boulder
  5. Marshall Mesa
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“All singletrack, and slightly more technical than the rest of the Morgul Bismarck ride. ”

Michael Ahnemann
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2.7

Miles

4.4

KM
Singletrack

5,954' 1,815 m

High

5,816' 1,773 m

Low

167' 51 m

Up

108' 33 m

Down

2%

Avg Grade (1°)

6%

Max Grade (3°)

Dogs Leashed

E-Bikes Allowed

E-bikes allowed per regulation: bouldercolorado.gov/guide/g…

Description

This section of the Morgul Bismarck ride might be the most interesting technically. There are more rocks on this section, and a few ups and downs to keep things fun.

Beginning riders shouldn't fear - it's all relative, and nothing here would be considered anything more difficult than beginner terrain.

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:

Michael Ahnemann with improvements by Austin Cowan
Full Details

Trail Ratings

  3.2 from 23 votes

#3

in Marshall Mesa

#12231

Overall
  3.2 from 23 votes
5 Star
0%
4 Star
30%
3 Star
61%
2 Star
9%
1 Star
0%
Trail Rankings

#3

in Marshall Mesa

#1,199

in Colorado

#12,231

Overall
3 Views Last Month
1,572 Since Mar 26, 2013
Easy/Intermediate Easy/Intermediate
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40%
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Photos

South end of the route, looking west.
Jun 10, 2024 near Superior, CO
High Plains Trail-Greenbelt Plateau Trail System.
Apr 10, 2022 near Superior, CO

2 Comments

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Weather

Current Trail Conditions

All Clear 1 day ago
Add Your Check-In

Check-Ins

Mar 26, 2026
Mark Whitney
Very dry today. The rock garden near the west trailhead will need some maintenance soon. 14.5mi — 1h 33m
Jun 8, 2023
matt pula
if you're into XC trails this is probably great, but personally I found it to be disappointing and a chore to ride - too many rocks on the ST.
Apr 9, 2022
Chris Malouf
Oct 16, 2020
Holly S
Jun 13, 2020
Dave McKeown
5.3mi — 9h 15m
May 31, 2020
Jonah Petoskey
May 31, 2020
Corey H
Sep 13, 2019
Jacqueline Moore

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