AMBLEWAY Wildest hikes

Boulder Open Space and Mountain Parks

Cobalt Trail–North Rim Trail, 4 sights

4 mi · ▲ 331 ft · 1 hr 30 min

Cobalt Trail–North Rim Trail, 4 sights is a 4-mile out-and-back in Boulder Open Space and Mountain Parks near Altona, CO. It climbs 331 ft and is mostly dirt. It scores 5/100 on the Ambleway Wildness scale: paved and peopled.

Elevation

0 mi5,259 – 5,551 ft4.2 mi

Getting there

Trailhead: North Rim Trail 40.08760, -105.25152
Nearest town Altona, CO
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Directions

AMBLEWAYwww.ambleway.com

Cobalt Trail–North Rim Trail, 4 sights

4 mi · ▲ 331 ft · 1 hr 30 min

Elevation 5,259–5,552 ft

Out & Back · Boulder Open Space and Mountain Parks

Trailhead: North Rim Trail · 40.08760, -105.25152

Weather Sep 5: Light drizzle, high 92°F / low 63° · precip 5% · wind 5 mph · sunrise 6:33 AM · sunset 7:28 PM

  1. Start on North Rim Trail, heading SW.
  2. 0.4 miTurn right onto Sage Trail, heading SW.
  3. 0.6 miTurn left, heading SE.
  4. 100 ftTurn right onto Shale Trail, heading W.
  5. 50 ftContinue straight onto Cobalt Trail, heading W.
  6. 1 miReach North Rim Trail, then turn around and head back the way you came.
  7. 1 miContinue straight onto Shale Trail, heading N.
  8. 50 ftTurn left onto Sage Trail, heading N.
  9. 0.6 miTurn left onto North Rim Trail, heading NE.
  10. 0.3 miArrive back at the trailhead.

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

Trail map, photos and weather for this hike: www.ambleway.com/hikes/cobalt-trail-north-rim-trail-out-back-5-sights-6-km

Trail surface

73% dirt27% gravel

Weather

Light drizzleTemperature 92°F63°
Precip5%Wind5 mphUV7Humidity28%
Rained 0.1″ 5 days ago
Hourly temperature
95°60°
Sunrise 6:33 AM12 AM3 AM9 AM12 PM3 PMSunset 7:28 PM
Sun 90°64° 19%
Mon 89°67° 26%
Tue 89°60° 28%
Wed 91°60° 28%
Thu 87°64° 27%
Fri 93°60° 21%

More from North Rim Trail Trailhead

Hikes near Altona, Colorado