Arthur's Rock Trailhead – South Valley Loop loop from Horsetooth Mountain Open Space
Arthur's Rock Trailhead – South Valley Loop loop from Horsetooth Mountain Open Space
4.9
(2730)
18,952
riders
Arthur's Rock Trailhead – South Valley Loop loop from Horsetooth Mountain Open Space
02:44
25.4km
680m
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: August 19, 2026
Tips
Includes very steep uphill segments
You may need to push your bike.
After 4.63 km for 198 m
After 8.51 km for 1.99 km
Waypoints
Start point
Parking
4.53 km
Stout Trail
Highlight • Trail
14.0 km
Steep Switchbacks on the Timber Trail
Highlight (Segment) • Trail
Tip by
20.4 km
Arthur's Rock Trailhead
Highlight • Parking
Tip by
20.8 km
South Valley Loop
Highlight (Segment) • Trail
Tip by
23.8 km
Dixon Cove
Highlight • Lake
Tip by
25.4 km
End point
Parking
Way Types & Surfaces
Way Types
18.4 km
6.76 km
240 m
< 100 m
Surfaces
24.1 km
912 m
249 m
102 m
< 100 m
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Sign up for freeElevation
Highest point (2,110 m)
Lowest point (1,660 m)
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Sign up for freeWeather
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Today
Friday 9 October
29°C
12°C
16 %
Additional weather tips
Max wind speed: 11.0 km/h
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Our route recommendations are based on thousands of hikes, rides, and runs completed by other people on komoot.
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