AMBLEWAY Wildest hikes

Prairie Gateway Open Space

Rocky Mountain Arsenal National Wildlife Refuge Perimeter Trail

12.1 mi · ▲ 106 ft · 4 hr 5 min

Rocky Mountain Arsenal National Wildlife Refuge Perimeter Trail is a 12.1-mile out-and-back in Prairie Gateway Open Space near Montbello, CO. It is mostly level, with 106 ft of elevation gain, and mostly gravel. It scores 0/100 on the Ambleway Wildness scale: paved and peopled.

Elevation

0 mi5,125 – 5,243 ft14.0 mi

Getting there

Trailhead: Unnamed 39.80333, -104.87227
Nearest town Montbello, CO
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Directions

AMBLEWAYwww.ambleway.com

Rocky Mountain Arsenal National Wildlife Refuge Perimeter Trail

12.1 mi · ▲ 106 ft · 4 hr 5 min

Elevation 5,125–5,245 ft

Out & Back · Prairie Gateway Open Space

Trailhead: 39.80333, -104.87227

Weather Sep 6: sunrise 6:33 AM · sunset 7:25 PM

Parking lot at the trailhead

  1. Start at the trailhead, heading SW.
  2. 100 ftTurn left, heading W.
  3. 50 ftTurn right, heading W.
  4. 50 ftTurn right, heading W.
  5. 100 ftTurn left, heading W.
  6. 350 ftBear right, heading W.
  7. 50 ftTurn right, heading W.
  8. 150 ftTurn right, heading SW.
  9. 50 ftTurn left, heading S.
  10. 0.5 miTurn left, heading N.
  11. 0.1 miTurn left onto Prairie Gateway Open Space Trail, heading NW.
  12. 0.2 miTurn right, heading NW.
  13. 50 ftTurn left onto Prairie Gateway Open Space Loop Trail, heading NW.
  14. 0.4 miBear right, heading W.
  15. 1 miTurn right onto Rocky Mountain Arsenal National Wildlife Refuge Perimeter Trail, heading NW.
  16. 3.7 miReach the turnaround, then head back the way you came.
  17. 3.7 miTurn left, heading S.
  18. 1 miBear left onto Prairie Gateway Open Space Loop Trail, heading S.
  19. 0.4 miTurn right, heading SE.
  20. 50 ftTurn left onto Prairie Gateway Open Space Trail, heading SE.
  21. 0.2 miTurn right, heading SE.
  22. 0.1 miTurn right, heading S.
  23. 0.5 miTurn right, heading E.
  24. 50 ftTurn left, heading E.
  25. 150 ftTurn left, heading SE.
  26. 50 ftBear left, heading SE.
  27. 350 ftTurn right, heading E.
  28. 100 ftTurn left, heading SE.
  29. 50 ftTurn left, heading SE.
  30. 50 ftTurn right, heading SE.
  31. 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 map, photos and weather for this hike: www.ambleway.com/hikes/rocky-mountain-arsenal-national-wildlife-refuge-perimeter-trail-out-back-20-km-f112

Trail surface

60% gravel28% dirt9% paved3% unspecified

Weather

Sunrise 6:33 AMSunset 7:25 PM

Sunset

The best sunset spot on this hike is right at the trailhead, so there is no walk out. Be there by 7:05 PM to have the sun's last 20 minutes of sky before it sets at 7:25 PM. Your car is right there — dark at 7:52 PM.

More sunset hikes nearby

Good to know

  • Parking lot at the trailhead

More from this trailhead

Hikes near Montbello, Colorado