AMBLEWAY Wildest hikes
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Boulder Open Space and Mountain Parks

Fowler West Viewpoint–Coal Seam Trail, 6 sights

15.8 mi · ▲ 2,721 ft · 6 hr 38 min

Fowler West Viewpoint–Coal Seam Trail, 6 sights is a 15.8-mile out-and-back in Boulder Open Space and Mountain Parks near Marshall, CO. The route reaches Fowler West Viewpoint. It climbs 2,721 ft, with sections as steep as 84% grade, and is mostly dirt. It scores 20/100 on the Ambleway Wildness scale: paved and peopled.

Elevation

0 mi5,712 – 7,126 ft · steepest grade: 84%16.8 mi

Getting there

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

AMBLEWAYwww.ambleway.com

Fowler West Viewpoint–Coal Seam Trail, 6 sights

15.8 mi · ▲ 2,721 ft · 6 hr 38 min

Elevation 5,712–7,125 ft

Out & Back · Boulder Open Space and Mountain Parks

Trailhead: Greenbelt Plateau Trail · 39.92886, -105.23303

Weather Sep 5: sunrise 6:33 AM · sunset 7:29 PM

Dogs allowed on leash · 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. 0.7 miContinue straight onto Spring Brook Loop North Trail, heading S.
  8. 2.1 miContinue straight onto Fowler Trail, heading N.
  9. 0.9 miPass Fowler West Viewpoint.
  10. 200 ftBear right onto Bastille Descent Climbing Access Trail, heading NW.
  11. 500 ftSharp left onto Streamside Trail, heading NW.
  12. 0.1 miTurn right onto West Face Redgarden Climbing Access Trail, heading NW.
  13. 0.5 miReach Fowler West Viewpoint, then turn around and head back the way you came.
  14. 0.5 miTurn left onto Streamside Trail, heading S.
  15. 0.1 miSharp right, heading E.
  16. 500 ftBear left onto Fowler Trail, heading SW.
  17. 1 miContinue straight onto Spring Brook Loop North Trail, heading N.
  18. 2.1 miContinue straight onto Doudy Draw Trail, heading NE.
  19. 0.7 miSharp right onto Community Ditch Trail, heading N.
  20. 1.9 miContinue straight onto Coal Seam Trail, heading E.
  21. 50 ftBear right onto Community Ditch Trail, heading E.
  22. 0.3 miTurn left onto Greenbelt Plateau Bypass, heading N.
  23. 50 ftTurn right onto Greenbelt Plateau Trail, heading N.
  24. 1.2 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/fowler-west-viewpoint-coal-seam-trail-out-back-6-sights-25-km

Trail surface

78% dirt22% gravel

Weather

Sunrise 6:33 AMSunset 7:29 PM

Good to know

  • Dogs allowed on leash
  • 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