Mount Blue Sky–Chicago Lakes Lookout, 4 summits is a 5.1-mile out-and-back in Mount Evans Wilderness near Georgetown, CO. The route passes Summit Lake and Chicago Lakes Lookout before reaching Mount Blue Sky at the turnaround, 2.6 miles in. It climbs 1,971 ft, with sections as steep as 31% grade, and is mostly dirt. It scores 14/100 on the Ambleway Wildness scale: paved and peopled.
Elevation
0 mi12,848 – 14,256 ft · steepest grade: 31%5.2 mi
Getting there
Trailhead: Summit Lake Trail 39.59928, -105.64090
Nearest town Georgetown, CO · Official trailhead info (recreation.gov)
Directions
AMBLEWAYwww.ambleway.com
Mount Blue Sky–Chicago Lakes Lookout, 4 summits
5.1 mi · ▲ 1,971 ft · 2 hr 41 min
Elevation 12,847–14,255 ft
Out & Back · Mount Evans Wilderness
Trailhead: Summit Lake Trail · 39.59928, -105.64090
Weather Sep 4: Overcast, high 56°F / low 37° · precip 9% · wind 3 mph · sunrise 6:34 AM · sunset 7:31 PM
Toilets at the trailhead · Parking lot at the trailhead
- Start on Summit Lake Trail, heading N.
- 50 ftPass Summit Lake.
- 0.2 miPass Chicago Lakes Lookout.
- 50 ftTurn left onto Mount Blue Sky Ridge Trail, heading W.
- 2.2 miContinue straight onto Mount Blue Sky Summit Trail, heading E.
- 0.2 miReach Mount Blue Sky, then turn around and head back the way you came.
- 0.2 miContinue straight onto Mount Blue Sky Ridge Trail, heading SW.
- 2.2 miTurn right onto Summit Lake Trail, heading E.
- 0.1 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
93% dirt7% paved
Weather
OvercastTemperature 56°F37°
Feels like43°Precip9%Wind3 mphUV8Humidity52%
Rained 0.2″ 4 days ago
Hourly temperature
60°35°
Sunrise 6:34 AM12 AM3 AM9 AM12 PM3 PMSunset 7:31 PM
Sat
57°39°
20%
Sun
56°41°
39%
Mon
59°41°
46%
Tue
60°37°
50%
Wed
61°38°
49%
Thu
61°38°
40%
Sunset
The best sunset spot on this hike is 1.0 mi in (~54 min). Leave by 6:17 PM for the 7:31 PM sunset. Back at your car by 8:11 PM, after dark — bring a headlamp.
Good to know
- Toilets at the trailhead
- Parking lot at the trailhead
More from Summit Lake Trail Trailhead
- Chicago Lakes Lookout–Summit Lake, 3 sights 3.6 mi · ▲ 1,559 ft
- Chicago Lakes Lookout–Summit Lake, 4 sights 9.8 mi · ▲ 4,745 ft
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