Boulder Open Space and Mountain Parks

Boulder Valley Ranch Pond & North Rim Trail

4 mi · ▲ 118 ft · 1 hr 24 min

Boulder Valley Ranch Pond & North Rim Trail is a 4-mile out-and-back in Boulder Open Space and Mountain Parks near Altona, CO. The route reaches Boulder Valley Ranch Pond at the turnaround, 2 miles in. It is mostly level, with 118 ft of elevation gain, and mostly dirt. It scores 20/100 on the Ambleway Wildness scale: paved and peopled.

Elevation

0 mi5,223 – 5,309 ft4.1 mi

Getting there

Trailhead: Unnamed 40.09803, -105.24611
Nearest town Altona, CO

Directions

AMBLEWAYwww.ambleway.com

Boulder Valley Ranch Pond & North Rim Trail

4 mi · ▲ 118 ft · 1 hr 24 min

Elevation 5,222–5,310 ft

Out & Back · Boulder Open Space and Mountain Parks

Trailhead: 40.09803, -105.24611

Weather Sep 4: Heavy drizzle, high 91°F / low 59° · precip 7% · wind 5 mph · sunrise 6:32 AM · sunset 7:30 PM

Bikes allowed on the whole route

  1. Start on North Rim Trail, heading E.
  2. 1.5 miTurn left onto Sage Trail, heading E.
  3. 0.5 miReach Boulder Valley Ranch Pond, then turn around and head back the way you came.
  4. 0.5 miTurn right onto North Rim Trail, heading N.
  5. 1.5 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

Heavy drizzleTemperature 91°F59°
Feels like81°Precip7%Wind5 mphUV7Humidity17%
Hourly temperature
95°55°
Sunrise 6:32 AM12 AM3 AM9 AM12 PM3 PMSunset 7:30 PM
Sat 90°66°
Sun 93°64° 26%
Mon 89°67° 33%
Tue 88°63° 20%
Wed 86°59° 27%
Thu 94°61° 30%

Good to know

  • Bikes allowed on the whole route

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