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© 2026 Roaming.Camp · Data from NPS, Recreation.gov, BLM, USFS, NWS, and the FCC.Operating on ceded ancestral land.Photography via Unsplash.

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View of Mono Lake with wildflowers (19212834020)

Hike

Alger Lakes

Ends at Parker Pass
Inside Ansel Adams Wilderness
5,741 ft of climbing

19.5 mi out & back, trail only · 5,741 ft gain · 12,282 ft high point · Very hard

Reached from Rush Creek Trailhead, 4.8 mi each way

In Ansel Adams Wilderness · California · U.S. Forest Service

About Elevation Highlights Map Camp near here More hikes

About this hike

Alger Lakes ascends to Parker Pass over 19.5 miles out and back in the Ansel Adams Wilderness.

Elevation

5,741 ft of gain round trip.

Camp near here

The closest places to sleep, measured from the trailhead.

See all on the map

0.1 mi from the trailhead
Silver Lake Campground June Lake (CA)
Campground · California

More hikes nearby

Ranked the same way, within twenty-five miles.

22 mi from you
Half Dome Trail
- Summits Half Dome
- Inside Yosemite National Park
- 5,934 ft of climbing
13.5 mi out & back · 5,934 ft gain · Very hard
Yosemite National Park · Camp under a mile away

Out: 3,690 ft up, returns the same way. Source: USGS 3DEP.

Highlights

What the trail reaches, measured from the start.

Parker PassDestination · 9.7 mi in
Gem LakeAlong the way · 0.0 mi in
Gem PassAlong the way · 2.1 mi in
Alger LakesAlong the way · 3.7 mi in
Koip Peak PassAlong the way · 6.6 mi in
Top of the switchbacksAlong the way · 7.3 mi in
WaterfallAlong the way · 8.4 mi in
WaterfallNearby · 1.3 mi in
WaterfallNearby · 2.6 mi in
Koip GlacierNearby · 6.6 mi in
WaterfallNearby · 7.8 mi in
WaterfallNearby · 7.9 mi in

Nearby reading

Mount Lewis (California)

Map

The route at the trailhead. Drag with two fingers, or hold a key to zoom.

Trail data: USFS, NPS, © OpenStreetMap contributors (ODbL). Elevation: USGS 3DEP via Mapzen terrain tiles. Nearby reading: Wikipedia. Photos: Wikimedia Commons contributors, licensed as shown on each photo. Download the trail and feature data.

At a glance

Length: 19.5 mi, trail only
Shape: Out & back
Gain: 5,741 ft round trip
High point: 12,282 ft
Low point: 9,089 ft
Difficulty: Very hardFrom 19.5 mi and 5,741 ft of climbing
Managed by: U.S. Forest Service
State: California
Camps within 15 mi: 17
Trailhead: 37.7834° N · 119.1281° W

Get directions Open the map

2.5 mi from the trailhead

Gull Lake Campground

Campground

2.6 mi from the trailhead

Reversed Creek Campground

Campground · California

19 mi from you

Fish Creek

Ends at Rainbow Falls
Inside Ansel Adams Wilderness
4,455 ft of climbing

19.3 mi one way · 4,455 ft gain · Very hard

Ansel Adams Wilderness · Camp 3 mi away

Bernice Lake Trail

Ends at Bernice Lake
Inside Yosemite National Park
3,676 ft of climbing

21.8 mi out & back · 3,676 ft gain · Very hard

Yosemite National Park · Camp under a mile away

Mist Trail

Ends at Nevada Fall
Inside Yosemite National Park
2,727 ft of climbing

5.3 mi out & back · 2,727 ft gain · Very hard

Yosemite National Park · Camp under a mile away

Mount Hoffman Trail

Summits Mount Hoffmann
Inside Yosemite National Park
2,652 ft of climbing

8.2 mi out & back · 2,652 ft gain · Very hard

Yosemite National Park · Camp 5 mi away

Clouds Rest Trail

Passes Clouds Rest
Inside Yosemite National Park
6,024 ft of climbing

18.9 mi out & back · 6,024 ft gain · Very hard

Yosemite National Park · Camp 5 mi away

More like this

Hikes that read like this one, wherever they are.

Margaret Lakes
- Near Cockscomb
- Inside Ansel Adams Wilderness
- 4,121 ft of climbing
14.1 mi out & back · 4,121 ft gain · Very hard
Ansel Adams Wilderness · Camp 3 mi away
Cabin Lake
- Ends at Cabin Lake
- Inside Ansel Adams Wilderness
- Camp 4 mi away
1.5 mi out & back · 551 ft gain · Easy
Ansel Adams Wilderness · Camp 4 mi away
Rock Lake
- Inside Ansel Adams Wilderness
- 2,043 ft of climbing
9.2 mi out & back · 2,043 ft gain · Hard
Ansel Adams Wilderness · Camp 6 mi away
Millers Crossing
- Inside Ansel Adams Wilderness
- 3,012 ft of climbing
10.0 mi out & back · 3,012 ft gain · Very hard
Ansel Adams Wilderness · Camp 7 mi away

Signal

Cell coverage here

VerizonLTE · Poor
AT&TNo signal
T-MobileLTE · Poor

FCC coverage data · signal varies in remote terrain

Weather

7-day forecast

Today65°32°Sunny
Thu60°31°Sunny
Fri48°23°Light Snow Likely
Sat44°22°Chance Light Snow
Sun49°25°Mostly Sunny
Mon42°14°Light Snow
Tue40°Mostly Sunny

Today: Sunny · wind 0 to 5 mph SW

National Weather Service · refreshed hourly