Mount Sanitas–Maxwell Reservoir, 3 summits is a 2.2-mile out-and-back in Boulder Open Space and Mountain Parks near Pine Brook Hill, CO. The route passes Maxwell Reservoir before reaching Mount Sanitas at the turnaround, 1.1 miles in. It climbs 1,280 ft, with sections as steep as 43% grade, and is mostly dirt. It scores 0/100 on the Ambleway Wildness scale: paved and peopled.
Elevation
0 mi5,604 – 6,808 ft · steepest grade: 43%2.3 mi
Getting there
Trailhead: Unnamed 40.04094, -105.29328
Nearest town Pine Brook Hill, CO
Directions
AMBLEWAYwww.ambleway.com
Mount Sanitas–Maxwell Reservoir, 3 summits
2.2 mi · ▲ 1,280 ft · 1 hr 22 min
Elevation 5,605–6,809 ft
Out & Back · Boulder Open Space and Mountain Parks
Trailhead: 40.04094, -105.29328
Weather Sep 5: Overcast, high 91°F / low 68° · precip 5% · wind 7 mph · sunrise 6:34 AM · sunset 7:28 PM
Parking lot at the trailhead
- Start at the trailhead, heading SW.
- 50 ftPass Maxwell Reservoir.
- 0.5 miBear left onto Goat Path Trail, heading W.
- 50 ftSharp right onto Sanitas Valley Trail, heading NW.
- 200 ftContinue straight onto East Ridge Trail, heading W.
- 0.6 miReach Mount Sanitas, then turn around and head back the way you came.
- 0.6 miContinue straight onto Sanitas Valley Trail, heading E.
- 200 ftSharp left onto Goat Path Trail, heading E.
- 50 ftBear right, heading E.
- 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
96% dirt4% gravel
Weather
OvercastTemperature 91°F68°
Precip5%Wind7 mphUV7Humidity26%
Rained 0.1″ 5 days ago
Hourly temperature
95°65°
Sunrise 6:34 AM12 AM3 AM9 AM12 PM3 PMSunset 7:28 PM
Sun
88°63°
22%
Mon
86°66°
29%
Tue
87°59°
30%
Wed
89°59°
30%
Thu
90°65°
28%
Fri
92°60°
22%
Good to know
- Parking lot at the trailhead
More from this trailhead
- Reflection Point–Maxwell Reservoir, 4 sights 4.6 mi · ▲ 1,408 ft
- Maxwell Reservoir–Evert Pierson Kids' Fishing Pond, 5 sights 4.9 mi · ▲ 1,407 ft
- Maxwell Reservoir–Evert Pierson Kids' Fishing Pond, 8 sights 7.9 mi · ▲ 1,569 ft
- Mallory Cave–Viewpoint, 15 sights 13.4 mi · ▲ 4,637 ft
Get outside more
A wild hike near Pine Brook Hill, emailed to you once a week.
Hikes near Pine Brook Hill, Colorado