2.7
(12)
40
riders
02:06
18.1km
700m
Mountain biking
This 11.3-mile moderate mountain biking loop in San Juan National Forest offers challenging terrain, alpine views, and technical descents.
Last updated: February 26, 2026
Tips
Your route passes through a protected area
Please check local regulations for:
San Juan National Forest
Waypoints
Start point
Parking
Get Directions
4.31 km
Highlight (Segment) • Mountain Pass
Tip by
16.8 km
Highlight (Segment) • Trail
Tip by
18.1 km
End point
Parking
Way Types & Surfaces
Way Types
8.10 km
5.61 km
4.29 km
115 m
Surfaces
8.37 km
5.38 km
4.29 km
< 100 m
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Elevation
Highest point (3,630 m)
Lowest point (2,990 m)
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Weather
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Today
Monday 18 May
5°C
-3°C
80 %
Additional weather tips
Max wind speed: 28.0 km/h
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This route was planned by komoot.
Specific parking details for the Deer Creek loop via Pass Creek are not provided, but access typically involves the Pass Creek Trailhead. It's advisable to check local San Juan National Forest resources or maps for the most current parking information before your ride.
This loop is considered moderate in difficulty, requiring good fitness and advanced riding skills. The ascent up Pass Creek Trail is a gradual climb with roots and rocks, while the Deer Creek portion features flowy, high-speed sections mixed with technical rock features and tough corners, especially on the descent. Some sections may even require pushing your bike.
The terrain varies significantly. You'll start with a moderate grade on Pass Creek Trail, characterized by roots and rocks, winding through timber. As you progress, you'll encounter alpine meadows. The Deer Creek section begins with flowy, higher-speed riding with some mixed 'chunk' before steepening into technical rock sections and challenging corners towards the bottom.
The trail offers beautiful views, particularly as it breaks out of the timber into alpine meadows at the base of Engineer Mountain. You can expect panoramic mountain vistas and a sense of remoteness, especially in the majestic Southern San Juan Mountains at elevations around 11,000 feet.
Yes, the route passes by Coal Bank Pass, a significant mountain pass. You'll also experience the Deer Creek Corner Descent, which is known for being one of the better rock technical sections in the area.
Yes, the route utilizes sections of several trails. It primarily follows the Deer Creek Trail (44%) and Pass Trail (25%). It also incorporates parts of the Engineer Mountain Trail (12%) and Coal Creek Trail (7%), offering various options for creating loops.
On average, mountain bikers can expect to complete this 18.1 km (11.2 mi) loop in approximately 2 hours and 6 minutes, though this can vary based on skill level and stops.
Generally, dogs are allowed on trails within the San Juan National Forest, but they must be kept on a leash. Always practice Leave No Trace principles and pack out any waste. Check the USDA Forest Service website for any specific regulations or seasonal restrictions.
As this trail is located within the San Juan National Forest, there are typically no permits required for day-use mountain biking. However, it's always best to check the USDA Forest Service website for any current alerts, closures, or specific regulations that might apply.
The best time to ride this loop is typically late July and August, when alpine wildflowers are vibrant in the meadows. Snow can persist on the heavily timbered northern slopes until mid-summer, so planning your trip for later in the season ensures clearer trails and an escape from summer heat at higher elevations.
No, this trail is not recommended for beginner mountain bikers. It is rated as moderate and requires good fitness and advanced riding skills due to its significant climbs, technical rock sections, and challenging descents. Beginners may find sections too difficult and may need to push their bikes.