Boulder Open Space and Mountain Parks
Cobalt Trail–Left Hand Trail, 4 sights
6.3 mi · ▲ 275 ft · 2 hr 14 min
Cobalt Trail–Left Hand Trail, 4 sights is a 6.3-mile out-and-back in Boulder Open Space and Mountain Parks near Altona, CO. It climbs 275 ft and is mostly dirt. It scores 2/100 on the Ambleway Wildness scale: paved and peopled.
Elevation
Getting there
Directions
Cobalt Trail–Left Hand Trail, 4 sights
6.3 mi · ▲ 275 ft · 2 hr 14 min
Elevation 5,318–5,550 ft
Out & Back · Boulder Open Space and Mountain Parks
Trailhead: Left Hand Trail · 40.10192, -105.27618
Weather Sep 4: Drizzle, high 90°F / low 59° · precip 8% · wind 5 mph · sunrise 6:33 AM · sunset 7:30 PM
Toilets at the trailhead · Parking lot at the trailhead
- Start on Left Hand Trail, heading E.
- 2.1 miTurn right, heading SE.
- 100 ftTurn right onto Shale Trail, heading S.
- 50 ftContinue straight onto Cobalt Trail, heading S.
- 1 miSharp left onto Eagle Trail, heading SW.
- 250 ftReach Left Hand Trail, then turn around and head back the way you came.
- 250 ftSharp right onto Cobalt Trail, heading E.
- 1 miContinue straight onto Shale Trail, heading NE.
- 50 ftTurn left onto Sage Trail, heading NE.
- 100 ftTurn left onto Left Hand Trail, heading NE.
- 2 miArrive 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
- Toilets at the trailhead
- Parking lot at the trailhead
More from Left Hand Trail Trailhead
- Left Hand Valley Reservoir & Left Hand Trail 2 mi · ▲ 27 ft
- Left Hand Trail–Sage Trail, 3 sights 4.8 mi · ▲ 84 ft
- Boulder Valley Ranch Pond–Eagle Trail, 4 sights 7.3 mi · ▲ 167 ft
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Hikes near Altona, Colorado