James Peak Wilderness

Guinn Mountain–Jenny Lake Loop, 6 sights

4.8 mi · ▲ 809 ft · 2 hr

Guinn Mountain–Jenny Lake Loop, 6 sights is a 4.8-mile loop in James Peak Wilderness near East Portal, CO. The route passes Guinn Mountain, Yankee Doodle Lake and Jenny Lake. It climbs 809 ft, with sections as steep as 26% grade, and is mostly dirt. It scores 96/100 on the Ambleway Wildness scale: genuinely wild.

Elevation

0 mi10,709 – 11,461 ft · steepest grade: 26%5.1 mi

Getting there

Trailhead: Rollins Pass Road 39.92374, -105.66853
Nearest town East Portal, CO

Directions

AMBLEWAYwww.ambleway.com

Guinn Mountain–Jenny Lake Loop, 6 sights

4.8 mi · ▲ 809 ft · 2 hr

Elevation 10,708–11,462 ft

Loop · James Peak Wilderness

Trailhead: Rollins Pass Road · 39.92374, -105.66853

Weather Sep 4: Rain, high 63°F / low 42° · precip 28% · wind 8 mph · sunrise 6:34 AM · sunset 7:31 PM

Parking lot at the trailhead

  1. Start on Rollins Pass Road, heading N.
  2. 1.6 miContinue straight onto Needle Eye Bypass Trail, heading N.
  3. 0.2 miContinue straight onto Rollins Pass Road, heading N.
  4. 400 ftSharp right onto Boulder Wagon Road, heading N.
  5. 350 ftBear left, heading SE.
  6. 100 ftBear left, heading SE.
  7. 0.4 miPass Guinn Mountain.
  8. 0.3 miBear right onto Boulder Wagon Road Spur, heading S.
  9. 0.2 miBear right onto Boulder Wagon Road, heading W.
  10. 0.1 miPass Yankee Doodle Lake.
  11. 0.1 miContinue straight onto Rollins Pass Road, heading N.
  12. 0.8 miPass Jenny Lake.
  13. 0.6 miTurn left, heading SW.
  14. 300 ftTurn right, heading W.
  15. 0.2 miThe loop closes back at the trailhead.

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

Trail surface

79% dirt21% unspecified

Weather

RainTemperature 63°F42°
Precip28%Wind8 mphUV8Humidity53%
Rained 0.1″ 2 days ago (0.2″ over the last week)
Hourly temperatureRain chance
65°40° 2 PM: 1% rain3 PM: 5% rain4 PM: 16% rain5 PM: 18% rain6 PM: 16% rain7 PM: 12% rain8 PM: 28% rain9 PM: 19% rain10 PM: 2% rain11 PM: 2% rain
Sunrise 6:34 AM12 AM3 AM9 AM12 PM3 PMSunset 7:31 PM
Sat 61°44° 17%
Sun 71°47° 55%
Mon 61°44° 42%
Tue 67°41° 32%
Wed 68°43° 40%
Thu 66°44° 44%

Good to know

  • Parking lot at the trailhead

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