Boulder Open Space and Mountain Parks

Loukonen Brothers Reservoir–Boulder Valley Ranch Pond, 4 sights

4.5 mi · ▲ 190 ft · 1 hr 36 min

Loukonen Brothers Reservoir–Boulder Valley Ranch Pond, 4 sights is a 4.5-mile out-and-back in Boulder Open Space and Mountain Parks near Gunbarrel, CO. The route passes Boulder Valley Ranch Pond before reaching Loukonen Brothers Reservoir at the turnaround, 2.3 miles in. It is mostly level, with 190 ft of elevation gain, and mostly dirt. It scores 6/100 on the Ambleway Wildness scale: paved and peopled.

Elevation

0 mi5,233 – 5,378 ft4.7 mi

Getting there

Trailhead: Eagle Trail 40.08022, -105.23600
Nearest town Gunbarrel, CO

Directions

AMBLEWAYwww.ambleway.com

Loukonen Brothers Reservoir–Boulder Valley Ranch Pond, 4 sights

4.5 mi · ▲ 190 ft · 1 hr 36 min

Elevation 5,235–5,377 ft

Out & Back · Boulder Open Space and Mountain Parks

Trailhead: Eagle Trail · 40.08022, -105.23600

Weather Sep 4: Clear, high 93°F / low 57° · precip 5% · wind 8 mph · sunrise 6:32 AM · sunset 7:30 PM

Parking lot at the trailhead

  1. Start on Eagle Trail, heading W.
  2. 0.5 miContinue straight onto Sage Trail, heading NW.
  3. 50 ftPass Boulder Valley Ranch Pond.
  4. 1.1 miBear right onto Left Hand Trail, heading W.
  5. 0.5 miTurn right, heading E.
  6. 0.2 miReach Loukonen Brothers Reservoir, then turn around and head back the way you came.
  7. 0.7 miBear left onto Sage Trail, heading NE.
  8. 1.1 miContinue straight onto Eagle Trail, heading SE.
  9. 0.4 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

63% dirt37% gravel

Weather

ClearTemperature 93°F57°
Precip5%Wind8 mphUV7Humidity21%
Rained 0.1″ 4 days ago
Hourly temperature
95°55°
Sunrise 6:32 AM12 AM3 AM9 AM12 PM3 PMSunset 7:30 PM
Sat 93°65°
Sun 90°64° 25%
Mon 89°68° 32%
Tue 88°63° 20%
Wed 87°59° 25%
Thu 94°61° 29%

Good to know

  • Parking lot at the trailhead

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