Boulder Open Space and Mountain Parks

Mesa Reservoir–Cobalt Trail Loop, 5 sights

3.2 mi · ▲ 246 ft · 1 hr 11 min

Mesa Reservoir–Cobalt Trail Loop, 5 sights is a 3.2-mile loop in Boulder Open Space and Mountain Parks near Ara, CO. The route reaches Mesa Reservoir. It is mostly level, with 246 ft of elevation gain, and mostly dirt. It scores 0/100 on the Ambleway Wildness scale: paved and peopled.

Elevation

0 mi5,332 – 5,574 ft3.3 mi

Getting there

Trailhead: Left Hand Trail 40.08014, -105.26274

Directions

AMBLEWAYwww.ambleway.com

Mesa Reservoir–Cobalt Trail Loop, 5 sights

3.2 mi · ▲ 246 ft · 1 hr 11 min

Elevation 5,332–5,575 ft

Loop · Boulder Open Space and Mountain Parks

Trailhead: Left Hand Trail · 40.08014, -105.26274

Weather Sep 5: Mostly clear, high 92°F / low 60° · precip 6% · wind 9 mph · sunrise 6:32 AM · sunset 7:30 PM

Toilets at the trailhead · Parking lot at the trailhead

  1. Start at the trailhead, heading SE.
  2. 100 ftTurn right onto Shale Trail, heading S.
  3. 0.7 miTurn left onto Degge Trail, heading S.
  4. 50 ftPass Mesa Reservoir.
  5. 0.5 miTurn left, heading W.
  6. 0.4 miSharp right, heading W.
  7. 0.5 miTurn left, heading NE.
  8. 450 ftContinue straight onto Cobalt Trail, heading N.
  9. 1 miContinue straight onto Shale Trail, heading SE.
  10. 50 ftTurn left onto Sage Trail, heading SE.
  11. 50 ftThe loop closes back at the trailhead.

Each distance is the walk from the previous step. Tap a step for a map of its junction.

Trail surface

61% dirt21% gravel18% unspecified

Weather

Mostly clearTemperature 92°F60°
Precip6%Wind9 mphUV7Humidity22%
Rained 0.2″ 4 days ago
Hourly temperature
95°60°
Sunrise 6:32 AM12 AM3 AM9 AM12 PM3 PMSunset 7:30 PM
Sat 92°66°
Sun 89°65° 19%
Mon 89°67° 26%
Tue 88°63° 28%
Wed 86°59° 28%
Thu 94°61° 27%

Good to know

  • Toilets at the trailhead
  • Parking lot at the trailhead

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