Big Loop

Warren, PA

Plan your next MTB adventure

Get on the trail with detailed maps shared by riders like you.

Top Rated Routes

Murphy Hanrehan

9.8 mi 15.8 km • 615' Up 187.4 m Up • 613' Down 186.88 m Down

Prior Lake, MN

Explore in 3D

Jedi Tree and Back

4.2 mi 6.7 km • 484' Up 147.51 m Up • 497' Down 151.54 m Down

Loma Linda, CA

Explore in 3D

Optional rock drop on Leap Frog (has an easier route around the side for those opting out).

Razzmatazz-WTB-Leap Frog Loop

11.5 mi 18.4 km • 1,248' Up 380.44 m Up • 1,239' Down 377.5 m Down

Fraser, CO

Explore in 3D

The second in a series of rock features on Lizard Licks that is a 2+ foot drop.

Clinton Nature Preserve

14.4 mi 23.2 km • 910' Up 277.5 m Up • 913' Down 278.21 m Down

Villa Rica, GA

Explore in 3D

Explore 176,837 miles of Mountain Bike Trails

Zoom in to see details

Map Key

Favorites
Check-Ins

Upcoming Races

View All

104.3 mi 167.8 km Butte 100 MTB Race Course Intermediate/Difficult Jul 19, 2025 Butte, MT	Intermediate/Difficult	Butte, MT	Jul 19, 2025
56.5 mi 91.0 km Butte 50 Race Course Intermediate/Difficult Jul 19, 2025 Butte, MT	Intermediate/Difficult	Butte, MT	Jul 19, 2025
30.4 mi 48.9 km Butte Sorini 25 Race Course Difficult Jul 19, 2025 Butte, MT	Difficult	Butte, MT	Jul 19, 2025

Trail Directory

176,837 miles in 56,284 trails, added by riders like you. Share your Recommended Routes, trails, and photos!

International

Bosnia and Herzegovina

Maps as mobile as you are

Never lose the trail, even if you lose your cell signal. Our app was designed to work offline.

Get the Free App

Add your favorite trails

Join the thousands of riders who’ve shared their most treasured trails with the MTB Project community.

Add a Trail

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