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Mary Miller Trail

Easy Easy
 2.0 (3)
  1. Areas
  2. CO
  3. …Front Range
  4. Broomfield
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“A doubletrack gravel surface, all-weather trail winding through Rock Creek Farm. ”

Mike Van Abel
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1.6

Miles

2.6

KM
Doubletrack

5,282' 1,610 m

High

5,227' 1,593 m

Low

58' 18 m

Up

16' 5 m

Down

1%

Avg Grade (1°)

2%

Max Grade (1°)

Dogs Leashed

E-Bikes Unknown

Open dawn to sunset.

Description

Located in the east portion of Boulder County and the Carolyn Holmberg Preserve at Rock Creek Farm, this trail connects to the Coal Creek Trail via the Dry Creek Trail to the northeast and the Coal Creek Trail via country roads to the northwest. This trail is key connector for those doing the Rock Creek Farm loop ride.

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:

Mike Van Abel
Full Details

Trail Ratings

  2.0 from 3 votes

#4

in Broomfield

#38538

Overall
  2.0 from 3 votes
5 Star
0%
4 Star
0%
3 Star
33%
2 Star
33%
1 Star
33%
Trail Rankings

#4

in Broomfield

#3,602

in Colorado

#38,538

Overall
3 Views Last Month
158 Since Feb 3, 2015
Easy Easy
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Photos

The eastern shore of Stearns Lake, looking to the west from Mary Miller Trail
Feb 2, 2015 near Broomfield, CO
Take a moment to learn the history of Rock Creek Farm, now preserved by Boulder County open space.
Feb 2, 2015 near Broomfield, CO

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Weather

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Aug 2, 2017
Simpy San

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