Mosquito Lake - panoramio (1).jpg
bahniuk · CC BY 3.0

Mosquito Lake–Heiser Lake Trail, 5 sights is a 14.5-mile out-and-back near Cape Horn, CA. The route reaches Mosquito Lake. It climbs 4,221 ft, with sections as steep as 39% grade. It scores 85/100 on the Ambleway Wildness scale: genuinely wild.

Elevation

0 mi6,779 – 8,921 ft · steepest grade: 39%14.6 mi

Getting there

Trailhead: Heiser Lake Trail 38.51535, -119.91495
Nearest town Cape Horn, CA

Directions

AMBLEWAYwww.ambleway.com

Mosquito Lake–Heiser Lake Trail, 5 sights

14.5 mi · ▲ 4,221 ft · 6 hr 57 min

Elevation 6,778–8,920 ft

Out & Back

Trailhead: Heiser Lake Trail · 38.51535, -119.91495

Weather Aug 3: Clear, high 76°F / low 55° · precip 0% · wind 7 mph · sunrise 6:04 AM · sunset 8:09 PM

  1. Start on Heiser Lake Trail, heading S.
  2. 50 ftPass Mosquito Lake.
  3. 250 ftContinue straight onto MCCT Mosquito Lakes to Pacific Valley, heading E.
  4. 1.2 miBear right onto Pacific Valley Road, heading S.
  5. 2.8 miTurn left onto Pacific Creek Trail, heading SE.
  6. 3.1 miTurn left onto Highland Creek Trail, heading SW.
  7. 150 ftReach Mosquito Lake, then turn around and head back the way you came.
  8. 100 ftTurn right onto Pacific Creek Trail, heading SW.
  9. 3.1 miTurn right, heading NW.
  10. 2.1 miContinue straight onto Pacific Valley Road, heading N.
  11. 0.8 miBear left onto MCCT Mosquito Lakes to Pacific Valley, heading N.
  12. 1.2 miContinue straight onto Heiser Lake Trail, heading NW.
  13. 150 ftArrive back at the trailhead.

Each distance is the walk from the previous step. Tap a step for a map of its junction.

Weather

ClearTemperature 76°F55°
Precip0%Wind7 mphUV9Humidity27%
Hourly temperature
80°55°
Sunrise 6:04 AM12 AM3 AM9 AM12 PM3 PM6 PMSunset 8:09 PM
Tue 78°59°
Wed 78°55°
Thu 82°55°
Fri 83°56°
Sat 82°56°
Sun 82°55°

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