Arapaho National Forest

Bowen Pass & Illinois Pass Trail via Ruby Mountain Trail

15.8 mi · ▲ 3,591 ft · 7 hr 4 min

Bowen Pass & Illinois Pass Trail via Ruby Mountain Trail is a 15.8-mile out-and-back in Arapaho National Forest near Gaskil, CO. The route reaches Bowen Pass at the turnaround, 7.9 miles in. It climbs 3,591 ft, with sections as steep as 23% grade, and is mostly dirt. It scores 91/100 on the Ambleway Wildness scale: genuinely wild.

Elevation

0 mi9,659 – 11,484 ft · steepest grade: 23%15.9 mi

Getting there

Trailhead: Illinois Pass Trail 40.37547, -105.99538
Nearest town Gaskil, CO

Directions

AMBLEWAYwww.ambleway.com

Bowen Pass & Illinois Pass Trail via Ruby Mountain Trail

15.8 mi · ▲ 3,591 ft · 7 hr 4 min

Elevation 9,661–11,484 ft

Out & Back · Arapaho National Forest

Trailhead: Illinois Pass Trail · 40.37547, -105.99538

Weather Sep 5: sunrise 6:35 AM · sunset 7:33 PM

Bikes allowed on the whole route

  1. Start on Illinois Pass Trail, heading S.
  2. 2 miSharp right onto Ruby Mountain Trail, heading NE.
  3. 5.9 miReach Bowen Pass, then turn around and head back the way you came.
  4. 5.9 miSharp left onto Illinois Pass Trail, heading NE.
  5. 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 surface

81% dirt19% unspecified

Weather

Sunrise 6:35 AMSunset 7:33 PM

Sunset

The best sunset spot on this hike is 7.5 mi in (~253 min). Leave by 3:00 PM for the 7:33 PM sunset. Back at your car by 11:17 PM, after dark — bring a headlamp.

More sunset hikes nearby

Good to know

  • Bikes allowed on the whole route