American Lakes–Thunder Pass, 6 sights is an 11.5-mile out-and-back in Rocky Mountain National Park near Willey Lumber Camp, CO. The route passes American Lakes and Thunder Pass. It climbs 2,925 ft, with sections as steep as 21% grade, and is mostly dirt. It scores 57/100 on the Ambleway Wildness scale: backcountry feel.
Elevation
0 mi9,682 – 11,329 ft · steepest grade: 21%11.7 mi
Getting there
Trailhead: County Road 62 40.50318, -105.90003
Nearest town Willey Lumber Camp, CO
Directions
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American Lakes–Thunder Pass, 6 sights
11.5 mi · ▲ 2,925 ft · 5 hr 18 min
Elevation 9,683–11,331 ft
Out & Back · Rocky Mountain National Park
Trailhead: County Road 62 · 40.50318, -105.90003
Weather Sep 4: Overcast, high 71°F / low 46° · precip 3% · wind 6 mph · sunrise 6:35 AM · sunset 7:33 PM
No dogs on part of this route · Parking lot at the trailhead
- Start on County Road 62, heading S.
- 0.2 miTurn left, heading E.
- 0.9 miContinue straight onto Crags Basin, heading SE.
- 0.1 miBear right onto American Lakes Trail, heading E.
- 1.8 miPass American Lakes.
- 150 ftBear left onto Thunder Pass Trail, heading SW.
- 0.7 miPass Thunder Pass.
- 1.7 miBear left onto Grand Ditch Trail, heading S.
- 0.1 miTurn right, heading SE.
- 0.2 miReach American Lakes, then turn around and head back the way you came.
- 0.3 miBear right onto Thunder Pass Trail, heading W.
- 2.4 miBear right onto American Lakes Trail, heading N.
- 1.9 miBear left, heading N.
- 0.1 miContinue straight onto Crags Basin, heading W.
- 0.9 miTurn right onto County Road 62, heading W.
- 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
77% dirt23% unspecified
Weather
OvercastTemperature 71°F46°
Precip3%Wind6 mphUV8Humidity28%
Rained 0.2″ 5 days ago
Hourly temperature
75°45°
Sunrise 6:35 AM12 AM3 AM9 AM12 PM3 PMSunset 7:33 PM
Sat
71°49°
Sun
72°51°
25%
Mon
63°49°
31%
Tue
70°44°
17%
Wed
74°49°
26%
Thu
71°49°
34%
Good to know
- No dogs on part of this route
- Parking lot at the trailhead
More from County Road 62 Trailhead
- County Road 62 & Crags Basin 2.9 mi · ▲ 618 ft
- Lake Agnes–Lake Agnes Viewpoint, 4 sights 3.2 mi · ▲ 970 ft
- Lake Agnes–Lake Agnes Viewpoint, 4 sights 5.1 mi · ▲ 1,106 ft
- Cameron Pass–County Road 62, 4 sights 9.2 mi · ▲ 759 ft
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