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Arthur's Rock Trailhead – East Valley Trail loop from Horsetooth Mountain Open Space

Running trails & routes

Arthur's Rock Trailhead – East Valley Trail loop from Horsetooth Mountain Open Space

Hard

2.7

(5)

69

runners

Arthur's Rock Trailhead – East Valley Trail loop from Horsetooth Mountain Open Space

02:01

18.2km

250m

Running

Hard run. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels. The starting point of the route is right next to a parking lot.

Last updated: July 12, 2026

Tips

Your route passes through protected areas

Please check local regulations for:

Lory State Park

Waypoints

A

Start point

Parking

1

1.54 km

Dixon Cove

Highlight • Lake

Fun place to stop and take a quick break. Maybe cool off in the water a bit.

Tip by

2

5.20 km

Arthur's Rock Trailhead

Highlight • Parking

The Arthurs Rock Trailhead is located at the very end of Lodgepole Drive. There is a large parking area, trail information, and vault toilets. From this trailhead you can access …

Tip by

3

5.37 km

East Valley Trail

Highlight (Segment) • Trail

The East Valley Trail runs parallel to the main road through a beautiful open meadow. You get fantastic views of the striking red cliffs that separate the meadow from the …

Tip by

4

13.2 km

South Valley Trail (east side)

Highlight (Segment) • Trail

The South Valley Loop is an incredibly popular hiking and mountain biking trail on the southern end of Lory State park. This half of the loop is on the reservoir …

Tip by

B

18.2 km

End point

Parking

Way Types & Surfaces

Way Types

15.6 km

2.13 km

242 m

< 100 m

< 100 m

Surfaces

16.8 km

944 m

272 m

115 m

< 100 m

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Elevation

Nothing selected – click and drag below to see the stats for a specific part of the route.

Highest point (1,720 m)

Lowest point (1,660 m)

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Weather

Powered by Foreca

Today

Tuesday 6 October

31°C

12°C

14 %

Additional weather tips

Max wind speed: 16.0 km/h

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