Boulder Open Space and Mountain Parks
Mallory Cave–Mallory Cave Trail, 3 sights
4.9 mi · ▲ 1,639 ft · 2 hr 27 min
Mallory Cave–Mallory Cave Trail, 3 sights is a 4.9-mile out-and-back in Boulder Open Space and Mountain Parks near Boulder, CO. The route reaches Mallory Cave at the turnaround, 2.4 miles in. It climbs 1,639 ft, with sections as steep as 44% grade, and is mostly dirt. It scores 4/100 on the Ambleway Wildness scale: paved and peopled.
Elevation
Getting there
Directions
Mallory Cave–Mallory Cave Trail, 3 sights
4.9 mi · ▲ 1,639 ft · 2 hr 27 min
Elevation 5,702–7,051 ft
Out & Back · Boulder Open Space and Mountain Parks
Trailhead: 39.98619, -105.27219
Weather Sep 5: Overcast, high 91°F / low 66° · precip 8% · wind 8 mph · sunrise 6:33 AM · sunset 7:30 PM
Parking lot at the trailhead
- Start at the trailhead, heading W.
- 50 ftBear right onto Skunk Connector, heading W.
- 0.1 miTurn left, heading SW.
- 50 ftContinue straight onto Skunk Canyon, heading SW.
- 0.1 miBear right onto Skunk Canyon Trail, heading W.
- 0.3 miSharp left onto Skunk Canyon Spur Trail, heading W.
- 50 ftTurn right onto Skunk Canyon Trail, heading S.
- 0.7 miBear left onto Mesa Trail, heading SE.
- 0.4 miContinue straight onto Mallory Cave Trail, heading S.
- 0.5 miTurn left onto Dinosaur Rock, heading S.
- 50 ftSharp right onto Red Devil, heading S.
- 0.4 miReach Mallory Cave, then turn around and head back the way you came.
- 0.4 miSharp left onto Dinosaur Rock, heading NE.
- 50 ftTurn right onto Mallory Cave Trail, heading NE.
- 0.5 miContinue straight onto Mesa Trail, heading NE.
- 0.4 miBear right onto Skunk Canyon Trail, heading NW.
- 0.7 miTurn left onto Skunk Canyon Spur Trail, heading E.
- 50 ftSharp right onto Skunk Canyon Trail, heading E.
- 0.3 miBear left onto Skunk Canyon, heading E.
- 0.1 miTurn right onto Skunk Connector, heading SW.
- 0.1 miBear left, heading NE.
- 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
Weather
Good to know
- Parking lot at the trailhead
More from this trailhead
- Kohler Mesa Trail–Skunk Canyon Trail, 3 sights 2.4 mi · ▲ 666 ft
- Kohler Reservoir–NIST Service Road, 4 sights 2.5 mi · ▲ 409 ft
- Tour Stop 40–McClintock Upper Trail, 3 sights 3 mi · ▲ 581 ft
- Tour Stop 90–Tour Stop 80, 4 sights 3.5 mi · ▲ 757 ft
- Baseline Trail–Bluebell Hiking Trail, 4 sights 3.7 mi · ▲ 936 ft
- Bear Canyon - NCAR Trail & Skunk Canyon Trail 4.7 mi · ▲ 977 ft
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