Hartman Rocks Trailhead – Jack‘s Trail loop from Hartman Rocks Base Area

Mountain biking trails

United States

Colorado

Gunnison County

Hartman Rocks Trailhead – Jack‘s Trail loop from Hartman Rocks Base Area

Hard

2.5

(16)

riders

Hartman Rocks Trailhead – Jack‘s Trail loop from Hartman Rocks Base Area

01:21

12.8km

270m

Mountain biking

Hard mountain bike ride. Great for any fitness level. Advanced riding skills necessary. Some portions of the route may require you to push your bike. The starting point of the route is right next to a parking lot.

Last updated: August 10, 2026

Tips

Your route passes through protected areas

Please check local regulations for:

Hartman Rocks

BLM - Gunnison Field Office

Waypoints

Start point

Parking

Get Directions

198 m

Hartman Rocks Trailhead

Highlight • Parking

Hartman Rocks is a true paradise for desert mountain biking. Park here and enjoy the 50+ miles trail network. No matter if you are a beginner, an intermediate rider or an expert, you'll love it.

Tip by

411 m

Jack‘s Trail

Highlight (Segment) • Trail

Jack's is the first trail you hit when you start your ride at Hartman Rocks Trailhead. Easy climbing except for some steeper sections near the top.

Tip by

3.00 km

Ridge Trail

Highlight • Trail

If you like technical slickrock features you will love the Ridge Trail at Hartman Rocks. By the way: Views of Gunnison are top notch too!

Tip by

4.29 km

Top of the World Trail

Highlight • Trail

4.97 km

Top of the World Trail

Highlight (Segment) • Trail

Great trail that can be ridden in both directions, but is definitely more fun from west to east.

Tip by

8.17 km

Alonzo's Trail

Highlight • Trail

Alonzo's connects the northwestern trails of Hartman Rocks to the main area. The narrow path is really fun and can be ridden in both directions.

Tip by

8.69 km

Behind the Rocks Trail

Highlight • Trail

You'll ride next to a beautiful rock cliff. That alone is super fun. And the trail itself is also very playful with fast sections and some great rock features. Enjoy it!

Tip by

10.4 km

Becks and Technical Becks

Highlight • Trail

If you want to do the easy version, turn right at this point onto Becks Trail. If you prefer something a little more tricky, then take the left path, which …

Tip by

12.8 km

End point

Parking

Way Types & Surfaces

Way Types

12.4 km

259 m

108 m

Surfaces

11.6 km

723 m