Mark Eller > Shared Routes & Trails

0.7 mi 1.1 km Bear Creek Trail Easy Genesee, CO	Easy	Genesee, CO	2
9.3 mi 15.0 km Hay Park Trail Intermediate/Difficult El Jebel, CO	Intermediate/Difficult	El Jebel, CO	18
16.3 mi 26.2 km Super Betasso Intermediate/Difficult Boulder, CO	Intermediate/Difficult	Boulder, CO	86
12.6 mi 20.3 km Bear Creek Trail Intermediate Genesee, CO	Intermediate	Genesee, CO	450
3.9 mi 6.2 km Castle Trail Intermediate/Difficult Morrison, CO	Intermediate/Difficult	Morrison, CO	72
19.9 mi 32.0 km Mount Falcon and Lair O' the Bear Loop Intermediate/Difficult Morrison, CO	Intermediate/Difficult	Morrison, CO	98

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

© 2026 onX Maps, Inc. Terms·Privacy