Boulder Open Space and Mountain Parks

Marshall Valley Trail & Singletree Trail via Mayhoffer Trail

9.8 mi · ▲ 581 ft · 3 hr 33 min

Marshall Valley Trail & Singletree Trail via Mayhoffer Trail is a 9.8-mile out-and-back in Boulder Open Space and Mountain Parks near Superior, CO. It climbs 581 ft. It scores 0/100 on the Ambleway Wildness scale: paved and peopled.

Elevation

0 mi5,502 – 5,686 ft10.6 mi

Getting there

Trailhead: Unnamed 39.94525, -105.16486
Nearest town Superior, CO

Directions

AMBLEWAYwww.ambleway.com

Marshall Valley Trail & Singletree Trail via Mayhoffer Trail

9.8 mi · ▲ 581 ft · 3 hr 33 min

Elevation 5,502–5,686 ft

Out & Back · Boulder Open Space and Mountain Parks

Trailhead: 39.94525, -105.16486

Weather Sep 5: sunrise 6:32 AM · sunset 7:29 PM

Transit-accessible: stop 612 m from the trailhead · Parking lot at the trailhead

  1. Start at the trailhead, heading E.
  2. 200 ftSharp left onto Meadowlark Trail spur, heading NW.
  3. 0.5 miContinue straight onto Singletree Trail, heading W.
  4. 3.2 miContinue straight onto Marshall Valley Trail, heading S.
  5. 1.1 miSharp right onto Coal Seam Trail, heading W.
  6. 250 ftBear right, heading W.
  7. 50 ftBear left, heading W.
  8. 300 ftReach Singletree Trail, then turn around and head back the way you came.
  9. 300 ftBear right, heading N.
  10. 250 ftSharp left onto Marshall Valley Trail, heading N.
  11. 1.1 miContinue straight onto Singletree Trail, heading NE.
  12. 3.2 miContinue straight onto Coal Creek Trail, heading SE.
  13. 0.4 miContinue straight onto Meadowlark Trail spur, heading E.
  14. 450 ftSharp right, heading E.
  15. 50 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

56% dirt41% gravel3% paved

Weather

Sunrise 6:32 AMSunset 7:29 PM

Good to know

  • Transit-accessible: stop 612 m from the trailhead
  • Parking lot at the trailhead

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