Beacon Peak–Guinn Mountain, 6 sights is a 14.9-mile out-and-back in Arapaho National Forest near Eldora, CO. The route passes Guinn Mountain before reaching Beacon Peak at the turnaround, 7.5 miles in. It climbs 3,378 ft, with sections as steep as 23% grade, and is mostly dirt. It scores 90/100 on the Ambleway Wildness scale: genuinely wild.
Elevation
0 mi9,371 – 12,068 ft · steepest grade: 23%15.5 mi
Getting there
Trailhead: Unnamed 39.93681, -105.58346
Nearest town Eldora, CO
Directions
AMBLEWAYwww.ambleway.com
Beacon Peak–Guinn Mountain, 6 sights
14.9 mi · ▲ 3,378 ft · 6 hr 39 min
Elevation 9,371–12,068 ft
Out & Back · Arapaho National Forest
Trailhead: 39.93681, -105.58346
Weather Sep 4: Light rain, high 73°F / low 50° · precip 22% · wind 2 mph · sunrise 6:34 AM · sunset 7:31 PM
Transit-accessible: RTD NB1 & NB2 stop 83 m from the trailhead · Toilets at the trailhead · Parking lot at the trailhead
- Start at the trailhead, heading S.
- 0.2 miBear right, heading SE.
- 500 ftBear right onto Jenny Creek Trail, heading S.
- 0.3 miContinue straight onto Lake Eldora Ski Road, heading W.
- 50 ftBear right onto Jenny Creek Trail, heading W.
- 1.3 miContinue straight onto Jenny Creek, heading W.
- 0.2 miContinue straight onto Guinn Mountain Trail, heading W.
- 2.1 miTurn left onto Pipeline Trail, heading W.
- 0.4 miPass Guinn Mountain.
- 250 ftTurn right onto Boulder Wagon Road, heading SW.
- 0.4 miBear left, heading NW.
- 150 ftTurn left, heading W.
- 1.4 miTurn left onto Rollins Pass Trail, heading SW.
- 1.1 miReach Beacon Peak, then turn around and head back the way you came.
- 1.1 miTurn right onto Boulder Wagon Road, heading N.
- 1.4 miBear left, heading SE.
- 100 ftBear left, heading SE.
- 0.4 miTurn left onto Pipeline Trail, heading E.
- 0.4 miTurn right onto Guinn Mountain Trail, heading NE.
- 2.1 miContinue straight onto Jenny Creek, heading SE.
- 0.2 miContinue straight onto Jenny Creek Trail, heading E.
- 1.3 miBear left onto Lake Eldora Ski Road, heading N.
- 50 ftContinue straight onto Jenny Creek Trail, heading N.
- 0.3 miBear left, heading SE.
- 500 ftBear left, heading E.
- 200 ftArrive back at the trailhead.
Each distance is the walk from the previous step. Tap a step for a map of its junction.
Trail surface
100% dirt
Weather
Light rainTemperature 73°F50°
Precip22%Wind2 mphUV8Humidity38%
Rained 0.2″ 4 days ago
Hourly temperatureRain chance
75°50°
Sunrise 6:34 AM12 AM3 AM9 AM12 PM3 PMSunset 7:31 PM
Sat
70°51°
22%
Sun
75°52°
56%
Mon
70°51°
46%
Tue
73°48°
37%
Wed
73°49°
41%
Thu
73°51°
44%
Sunset
The best sunset spot on this hike is 6.2 mi in (~231 min). Leave by 3:20 PM for the 7:31 PM sunset. Back at your car by 10:25 PM, after dark — bring a headlamp.
Good to know
- Transit-accessible: RTD NB1 & NB2 stop 83 m from the trailhead
- Toilets at the trailhead
- Parking lot at the trailhead
More from this trailhead
- Gully Glades–Slot Trees, 4 groves 4.4 mi · ▲ 1,195 ft
- Jenny Creek Trail–Lake Eldora Ski Road, 3 sights 14.5 mi · ▲ 2,455 ft
Get outside more
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Hikes near Eldora, Colorado