Eagle and Mosquito Lakes

Eagle and Mosquito Lakes

Trails
Last Updated: July 2026

Distance

10 mi

Elevation Gain

3,000 ft

Est. Time

7-9 hours (day hike) or overnight with camping at Mosquito Lake campsites

Route Type

Out and back (splits at Eagle Basin; Eagle Lake 3.4mi one way, Mosquito Lake 3.6mi one way from junction)

Dogs Allowed

No

Best Season

July through September

Overview

About This Trail

This remote alpine route climbs 3,000 feet over 10 miles to glacial lakes set in Mineral King's high basin. Moderately strenuous with relentless switchbacks, extreme elevation change, and high-altitude exposure. Eagle and Mosquito Lakes reward the effort with turquoise waters and granite peaks, but only the fit and prepared should attempt this day or overnight push.

Highlights

Difficulty Level

Moderately strenuous

Trail Highlights

Two pristine alpine lakes (Eagle and Mosquito) set in a high-elevation granite cirque with 360-degree mountain views

Insider Tips

• Trail forks at Eagle Basin around 4 miles: Eagle Lake continues left 3.4 more miles; Mosquito Lake continues right 3.6 miles • Mosquito Lake #1 is shallower and closer to parking; Eagle Lake sits higher with superior basin views • First legal campsite is 6 miles in at Mosquito Lake #2 • Descent punishes knees harder than ascent—poles matter • Start early enough to finish before afternoon lightning risk spikes • Marmot damage to parked vehicles is documented—many hikers report dents and chewed trim

Best Season to Hike

July through September

Hiking Tips

  • Carry 2-3L water minimum—trail is dry; lake water requires filtering
  • Start before 6:00 AM to beat crowds and afternoon storm risk
  • Trekking poles are non-negotiable for descent on your knees
  • Protect your vehicle from marmots; check for damage before leaving trailhead
  • Make noise at trail intersections; black bears are active in Mineral King

Family Info

Not suitable for young children. Requires strong fitness and altitude tolerance. Kids 10+ with excellent fitness may manage with adult support. Mosquitoes and steep terrain with exposure demand constant supervision and experienced judgment.

What Hikers Say

Hikers report the elevation gain is relentless but rewarded by pristine alpine lakes and unobstructed mountain views. Early-summer mosquitoes and high altitude filter out casual hikers. Those with strong fitness and proper gear report transformative summit moments and unforgettable alpine solitude.

ℹ️ Data Sources

Information is compiled from official sources, verified traveler reviews, and editorial research. Learn how YourNPGuide works →