Mary's Loop – Start of Moore Fun loop from Rustler's Trailhead

Mountain biking trails

United States

Colorado

Mesa County

Mary's Loop – Start of Moore Fun loop from Rustler's Trailhead

Hard

3.3

(6)

riders

Mary's Loop – Start of Moore Fun loop from Rustler's Trailhead

01:49

18.5km

350m

Mountain biking

Hard mountain bike ride. Good fitness required. 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: October 8, 2026

Tips

Includes a segment that may be dangerous

A part of this route comprises technical, difficult, or hazardous terrain. Specialist equipment and prior experience may be required.

After 8.16 km for 143 m

Waypoints

Start point

Parking

Get Directions

2.45 km

Colorado River at Horsethief Canyon

Highlight • River

Horsethief Canyon is a section of the Colorado River that runs through a picturesque red rock canyon and is a very popular portion of the river for rafting.

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3.47 km

Views into Black Ridge Canyons Wilderness

Highlight • Viewpoint

From this viewpoint you can look across the Colorado River into the Black Ridge Canyon Wilderness, which lies on the northwest flank of the Uncompahgre Plateau.

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4.69 km

Trail View

Highlight • Canyon

The western edge of trail consists of grassy terrain along smooth singletrack next to big sandstone walls.

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8.22 km

Horsethief Drop-In

Highlight • Climb

The Horsethief Drop-In is brutal. For the majority it is a short hike-a-bike section. Only the best of the best will tackle this downhill on the bike.

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11.8 km

Mary's Loop

Highlight (Segment) • MTB Park

A fantastic loop with magnificent views of the Colorado River canyon. The route is mostly flat, often technically easy, though a few sections are a bit more technical. It can be combined with other loops.

Translated by Google •

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17.9 km

Start of Moore Fun

Highlight • Trail

Super technical and rocky—expect tough climbs and fun, tricky descents. Take it slow, pick good lines, and enjoy awesome canyon views. Bring plenty of water and be ready for a real challenge!

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