Arthurs Rock–Arthur's Rock, 9 sights is an 11.6-mile out-and-back in Horsetooth Mountain Open Space near Horsetooth Heights, CO. The route passes Arthur's Rock before reaching Arthurs Rock at the turnaround, 5.8 miles in. It climbs 2,875 ft, with sections as steep as 21% grade, and is mostly dirt. It scores 49/100 on the Ambleway Wildness scale: green fringe.
Elevation
0 mi5,748 – 6,756 ft · steepest grade: 21%12.3 mi
Getting there
Trailhead: Red Cliff Road 40.52264, -105.18166
Nearest town Horsetooth Heights, CO
Directions
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Arthurs Rock–Arthur's Rock, 9 sights
11.6 mi · ▲ 2,875 ft · 5 hr 18 min
Elevation 5,750–6,756 ft
Out & Back · Horsetooth Mountain Open Space
Trailhead: Red Cliff Road · 40.52264, -105.18166
Weather Sep 4: sunrise 6:32 AM · sunset 7:30 PM
Dogs allowed on leash · Toilets at the trailhead · Drinking water at the trailhead · Parking lot at the trailhead
- Start on Red Cliff Road, heading N.
- 100 ftTurn right onto South Ridge Trail, heading NE.
- 50 ftContinue straight onto Red Cliff Road, heading NE.
- 50 ftTurn left onto South Ridge Trail, heading NE.
- 50 ftTurn left onto Red Cliff Road, heading NE.
- 50 ftTurn right onto South Ridge Trail, heading NE.
- 50 ftTurn right onto Horsetooth Rock Trail, heading NE.
- 0.5 miContinue straight onto South Ridge Trail, heading N.
- 0.2 miContinue straight onto Horsetooth Rock Trail, heading N.
- 0.2 miTurn left onto Soderberg Trail, heading NW.
- 0.5 miContinue straight onto Spring Creek Trail, heading N.
- 50 ftTurn right onto Soderberg Trail, heading E.
- 50 ftTurn right onto Spring Creek Trail, heading E.
- 0.8 miSharp right onto Spring Creek - Towers Connector, heading N.
- 0.1 miSharp left onto Towers Trail, heading NW.
- 450 ftBear right onto Carey Springs Trail, heading E.
- 0.5 miSharp left onto Loggers Trail, heading SE.
- 0.7 miTurn left onto Mill Creek Trail, heading W.
- 1 miTurn left onto Howard Trail, heading NW.
- 0.3 miTurn right, heading NW.
- 0.1 miContinue straight onto Arthur's Rock Trail, heading W.
- 0.9 miPass Arthur's Rock.
- 350 ftReach Arthurs Rock, then turn around and head back the way you came.
- 1.1 miTurn left onto Howard Trail, heading SE.
- 0.3 miTurn right onto Mill Creek Trail, heading E.
- 1 miTurn right onto Loggers Trail, heading S.
- 0.7 miSharp right onto Carey Springs Trail, heading SW.
- 0.5 miBear left onto Towers Trail, heading NW.
- 450 ftSharp right onto Spring Creek - Towers Connector, heading W.
- 0.1 miSharp left onto Spring Creek Trail, heading SW.
- 0.8 miTurn left onto Soderberg Trail, heading S.
- 50 ftTurn left onto Spring Creek Trail, heading S.
- 50 ftContinue straight onto Soderberg Trail, heading S.
- 0.5 miTurn right onto Horsetooth Rock Trail, heading SW.
- 0.2 miContinue straight onto South Ridge Trail, heading SW.
- 0.2 miContinue straight onto Horsetooth Rock Trail, heading SE.
- 0.5 miTurn left onto South Ridge Trail, heading S.
- 50 ftTurn left onto Red Cliff Road, heading S.
- 50 ftTurn right onto South Ridge Trail, heading S.
- 50 ftTurn right onto Red Cliff Road, heading S.
- 50 ftContinue straight onto South Ridge Trail, heading S.
- 50 ftTurn left onto Red Cliff Road, heading S.
- 50 ftBear left, heading S.
- 50 ftArrive back at the trailhead.
Each distance is the walk from the previous step. Tap a step for a map of its junction.
Trail surface
98% dirt2% unspecified
Weather
Sunrise 6:32 AMSunset 7:30 PM
Good to know
- Dogs allowed on leash
- Toilets at the trailhead
- Drinking water at the trailhead
- Parking lot at the trailhead
More from Red Cliff Road Trailhead
- Horsetooth Falls–Horsetooth Falls Trail, 4 sights 2.9 mi · ▲ 678 ft
- Audra Culver Trail–Horsetooth Rock Trail, 3 sights 3.4 mi · ▲ 983 ft
- Horsetooth Mountain & Horsetooth Rock Trail 4.4 mi · ▲ 1,482 ft
- Herrington Trail–Horsetooth Rock Trail, 3 sights 4.6 mi · ▲ 1,005 ft
- Audra Culver Trail–Carey Springs Trail, 8 sights 6.6 mi · ▲ 1,622 ft
- Lodgepole Drive Viewpoint–Horsetooth Reservoir, 10 sights 15.3 mi · ▲ 2,540 ft
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