Glen Reservoir–Observatory Trail, 4 sights

3.9 mi · ▲ 303 ft · 1 hr 27 min

Glen Reservoir–Observatory Trail, 4 sights is a 3.9-mile out-and-back near Nederland, CO. The route reaches Glen Reservoir at the turnaround, 2 miles in. It climbs 303 ft and is mostly dirt. It scores 28/100 on the Ambleway Wildness scale: green fringe.

Elevation

0 mi8,636 – 8,750 ft4.5 mi

Getting there

Trailhead: Aspen Alley Trail 39.94942, -105.51859
Nearest town Nederland, CO

Directions

AMBLEWAYwww.ambleway.com

Glen Reservoir–Observatory Trail, 4 sights

3.9 mi · ▲ 303 ft · 1 hr 27 min

Elevation 8,636–8,752 ft

Out & Back

Trailhead: Aspen Alley Trail · 39.94942, -105.51859

Weather Sep 5: Overcast, high 75°F / low 54° · precip 9% · wind 6 mph · sunrise 6:35 AM · sunset 7:29 PM

Parking lot at the trailhead

  1. Start on Aspen Alley Trail, heading W.
  2. 0.1 miTurn left, heading SW.
  3. 450 ftTurn left, heading SW.
  4. 50 ftContinue straight onto Observatory, heading SW.
  5. 0.1 miTurn left onto Observatory Trail, heading SW.
  6. 50 ftTurn right onto Observatory, heading SW.
  7. 0.7 miContinue straight onto Sw Haul Road Trails, heading S.
  8. 50 ftTurn left onto Observatory, heading S.
  9. 350 ftBear right onto Schoolbus Trail, heading S.
  10. 0.3 miContinue straight onto Rollinsville Spur, heading SE.
  11. 0.3 miTurn left, heading SE.
  12. 150 ftSharp left, heading S.
  13. 0.3 miReach Glen Reservoir, then turn around and head back the way you came.
  14. 0.3 miSharp right, heading N.
  15. 0.3 miContinue straight onto Schoolbus Trail, heading SE.
  16. 0.3 miBear left onto Observatory, heading NW.
  17. 350 ftTurn right onto Sw Haul Road Trails, heading NW.
  18. 50 ftContinue straight onto Observatory, heading N.
  19. 250 ftBear left, heading N.
  20. 0.7 miTurn left onto Observatory Trail, heading N.
  21. 50 ftTurn right onto Observatory, heading NE.
  22. 0.1 miTurn right, heading NE.
  23. 450 ftTurn right onto Aspen Alley Trail, heading NW.
  24. 350 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

73% dirt27% unspecified

Weather

OvercastTemperature 75°F54°
Precip9%Wind6 mphUV7Humidity40%
Hourly temperature
75°50°
Sunrise 6:35 AM12 AM3 AM9 AM12 PM3 PMSunset 7:29 PM
Sun 74°51° 40%
Mon 74°53° 37%
Tue 76°51° 34%
Wed 80°53° 40%
Thu 73°53° 35%
Fri 76°50° 30%

Good to know

  • Parking lot at the trailhead

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