Mike S > Trail Favorites List

3.9 mi 6.3 km Green Mountain West Ridge Intermediate Boulder, CO	Intermediate	Boulder, CO	45
17.4 mi 28.0 km Mummy Kill Route (Mummy Marathon) Difficult Estes Park, CO	Difficult	Estes Park, CO	6
5.7 mi 9.2 km Bear Peak Out and Back Difficult Boulder, CO	Difficult	Boulder, CO	152
0.8 mi 1.2 km Mallory Cave Trail Intermediate/Difficult Boulder, CO	Intermediate/Difficult	Boulder, CO	17
3.4 mi 5.5 km Royal Arch Out and Back Difficult Boulder, CO	Difficult	Boulder, CO	178
4.9 mi 7.9 km Green Mountain via Ranger/Saddle Rock Loop Difficult Boulder, CO	Difficult	Boulder, CO	114
0.6 mi 1.0 km First-Second Flatiron Trail Difficult Boulder, CO	Difficult	Boulder, CO	63
1.3 mi 2.2 km Welcome to Chautauqua Intermediate Boulder, CO	Intermediate	Boulder, CO	33
13.8 mi 22.2 km Uncompahgre Peak Out and Back Intermediate/Difficult Lake City, CO	Intermediate/Difficult	Lake City, CO	10
6.7 mi 10.8 km Engineer Mountain Summit Difficult Silverton, CO	Difficult	Silverton, CO	19
5.0 mi 8.1 km Devils Garden Full Lollipop Intermediate/Difficult Moab, UT	Intermediate/Difficult	Moab, UT	218
17.3 mi 27.9 km Boulder Skyline Traverse Difficult Superior, CO	Difficult	Superior, CO	142
9.6 mi 15.4 km Beaver Brook Trail Intermediate/Difficult Golden, CO	Intermediate/Difficult	Golden, CO	45
7.1 mi 11.4 km Beaver Brook Out and Back Intermediate/Difficult Golden, CO	Intermediate/Difficult	Golden, CO	52
5.3 mi 8.5 km Mount Sanitas via Sunshine Lion's Lair Loop Intermediate Boulder, CO	Intermediate	Boulder, CO	144

Welcome

Join the Community! It's FREE

Already have an account? Login to close this notice.

Get Started

onX products are built by adventurers, for adventurers. We believe that every adventurer needs to know where to go, to know where they stand, and to be able to share their experiences.
About onX
Careers

iOS App Store

Android App Store

© 2025 onX Maps, Inc. Terms·Privacy