Calypso Cascades–Thunder Lake, 5 sights
15 mi · ▲ 2,903 ft · 6 hr 27 min
Calypso Cascades–Thunder Lake, 5 sights is a 15-mile out-and-back in Rocky Mountain Wilderness near Allenspark, CO. The route passes Calypso Cascades before reaching Thunder Lake at the turnaround, 7.3 miles in. It climbs 2,903 ft and is mostly dirt. It scores 84/100 on the Ambleway Wildness scale: genuinely wild.
Elevation
Getting there
Directions
Calypso Cascades–Thunder Lake, 5 sights
15 mi · ▲ 2,903 ft · 6 hr 27 min
Elevation 8,916–10,667 ft
Out & Back · Rocky Mountain Wilderness
Trailhead: Allenspark Trail · 40.19370, -105.54226
Weather Sep 5: Drizzle, high 73°F / low 60° · precip 7% · wind 5 mph · sunrise 6:34 AM · sunset 7:31 PM
No dogs on part of this route
- Start on Allenspark Trail, heading NW.
- 1.7 miBear left onto Finch Lake Cutoff Trail, heading SW.
- 50 ftContinue straight onto Finch Lake - Pear Lake Trail, heading SW.
- 1.2 miPass Calypso Cascades.
- 50 ftContinue straight onto Wild Basin Trail, heading W.
- 1.5 miTurn left onto Thunder Lake Trail, heading N.
- 2.9 miPass Thunder Lake.
- 0.2 miBear right onto Boulder-Grand Pass Trail, heading SE.
- 50 ftReach Calypso Cascades, then turn around and head back the way you came.
- 50 ftBear left onto Thunder Lake Trail, heading W.
- 3.1 miTurn right onto Wild Basin Trail, heading SE.
- 1.5 miContinue straight onto Finch Lake - Pear Lake Trail, heading SE.
- 1.2 miContinue straight onto Finch Lake Cutoff Trail, heading NE.
- 50 ftBear right onto Allenspark Trail, heading NE.
- 1.6 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
Weather
Good to know
- No dogs on part of this route
More from Allenspark Trail Trailhead
- Copeland Lake & Finch Lake Cutoff Trail 8.2 mi · ▲ 1,258 ft
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