Rocky Mountain Wilderness

Cascade Creek–Mirror Lake Trail, 4 sights

14.9 mi · ▲ 1,900 ft · 5 hr 55 min

Cascade Creek–Mirror Lake Trail, 4 sights is a 14.9-mile out-and-back in Rocky Mountain Wilderness near Spencer Heights, CO. The route reaches Cascade Creek at the turnaround, 7.4 miles in. It climbs 1,900 ft, with sections as steep as 16% grade, and is mostly dirt. It scores 95/100 on the Ambleway Wildness scale: genuinely wild.

Elevation

0 mi9,472 – 10,762 ft · steepest grade: 16%15.0 mi

Getting there

Trailhead: Peterson Lake Road 40.55290, -105.78078
Nearest town Spencer Heights, CO

Directions

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Cascade Creek–Mirror Lake Trail, 4 sights

14.9 mi · ▲ 1,900 ft · 5 hr 55 min

Elevation 9,473–10,763 ft

Out & Back · Rocky Mountain Wilderness

Trailhead: Peterson Lake Road · 40.55290, -105.78078

Weather Sep 4: Overcast, high 74°F / low 45° · precip 1% · wind 8 mph · sunrise 6:34 AM · sunset 7:32 PM

No dogs on part of this route · Parking lot at the trailhead

  1. Start on Peterson Lake Trail, heading E.
  2. 0.4 miContinue straight onto Big South Trail, heading SE.
  3. 2.9 miSharp left onto Poudre Trail, heading E.
  4. 0.5 miTurn left onto Mummy Pass Trail, heading NE.
  5. 3.1 miTurn left onto Mirror Lake Trail, heading NE.
  6. 0.6 miReach Cascade Creek, then turn around and head back the way you came.
  7. 0.6 miTurn right onto Mummy Pass Trail, heading SW.
  8. 3.1 miTurn right onto Poudre Trail, heading W.
  9. 0.5 miSharp right onto Big South Trail, heading W.
  10. 2.9 miContinue straight onto Peterson Lake Trail, heading NW.
  11. 0.3 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

100% dirt

Weather

OvercastTemperature 74°F45°
Precip1%Wind8 mphUV8Humidity24%
Rained 0.1″ 3 days ago (0.2″ over the last week)
Hourly temperature
75°45°
Sunrise 6:34 AM12 AM3 AM9 AM12 PM3 PMSunset 7:32 PM
Sat 73°50°
Sun 76°51° 24%
Mon 65°51° 29%
Tue 71°46° 19%
Wed 74°50° 28%
Thu 72°50° 37%

Sunset

The best sunset spot on this hike is 6.8 mi in (~210 min). Leave by 3:42 PM for the 7:32 PM sunset. Back at your car by 10:41 PM, after dark — bring a headlamp.

More sunset hikes nearby

Good to know

  • No dogs on part of this route
  • Parking lot at the trailhead

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