AMBLEWAY Wildest hikes

Boulder Open Space and Mountain Parks

Coal Seam Trail–Community Ditch Trail, 6 sights

11.6 mi · ▲ 639 ft · 4 hr 11 min

Coal Seam Trail–Community Ditch Trail, 6 sights is an 11.6-mile out-and-back in Boulder Open Space and Mountain Parks near Marshall, CO. It climbs 639 ft and is mostly dirt. It scores 1/100 on the Ambleway Wildness scale: paved and peopled.

Elevation

0 mi5,712 – 6,132 ft12.5 mi

Getting there

Trailhead: Greenbelt Plateau Trail 39.92886, -105.23303
Nearest town Marshall, CO · Official trailhead info (bouldercolorado.gov)
Google Maps Apple Maps

Directions

AMBLEWAYwww.ambleway.com

Coal Seam Trail–Community Ditch Trail, 6 sights

11.6 mi · ▲ 639 ft · 4 hr 11 min

Elevation 5,712–6,134 ft

Out & Back · Boulder Open Space and Mountain Parks

Trailhead: Greenbelt Plateau Trail · 39.92886, -105.23303

Weather Sep 6: sunrise 6:34 AM · sunset 7:26 PM

Transit-accessible: CO 93 & CO 128 stop 143 m from the trailhead · Parking lot at the trailhead

  1. Start on Greenbelt Plateau Trail, heading NE.
  2. 1.3 miTurn left onto Greenbelt Plateau Bypass, heading E.
  3. 50 ftTurn right onto Community Ditch Trail, heading E.
  4. 0.3 miBear left onto Coal Seam Trail, heading SW.
  5. 50 ftContinue straight onto Community Ditch Trail, heading SW.
  6. 1.9 miSharp left onto Doudy Draw Trail, heading SW.
  7. 1.7 miBear right onto FlatIrons Vista North Trail, heading N.
  8. 150 ftSharp right onto Flatirons Vista North-South connector, heading N.
  9. 0.7 miReach Greenbelt Plateau Trail, then turn around and head back the way you came.
  10. 0.7 miSharp left onto FlatIrons Vista North Trail, heading NW.
  11. 150 ftBear left onto Doudy Draw Trail, heading N.
  12. 1.7 miSharp right onto Community Ditch Trail, heading NE.
  13. 1.9 miContinue straight onto Coal Seam Trail, heading NE.
  14. 50 ftBear right onto Community Ditch Trail, heading NE.
  15. 0.3 miTurn left onto Greenbelt Plateau Bypass, heading N.
  16. 50 ftTurn right onto Greenbelt Plateau Trail, heading N.
  17. 1.1 miArrive back at the trailhead.

Each distance is the walk from the previous step. Tap a step for a map of its junction.

Trail map, photos and weather for this hike: www.ambleway.com/hikes/coal-seam-trail-community-ditch-trail-out-back-6-sights-19-km

Trail surface

83% dirt17% gravel

Weather

Sunrise 6:34 AMSunset 7:26 PM

Good to know

  • Transit-accessible: CO 93 & CO 128 stop 143 m from the trailhead
  • Parking lot at the trailhead

More from Greenbelt Plateau Trail Trailhead

Hikes near Marshall, Colorado