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Agnew Meadows to Thousand Island Lake route map
Difficulty: ExpertOut and Back
California

Agnew Meadows to Thousand Island Lake

Mammoth Lakes, California

15.5 mi

Distance

3,556 ft

Elev. Gain

6h 25m

Est. Time

Out & Back

Route Type

Expert

Difficulty

About This Trail

Agnew Meadows to Thousand Island Lake is an out-and-back trail in Madera County, California. It is 16 miles long and gains 3,556 feet. The nearest town is Mammoth Lakes, California, about 4 miles away in a straight line.

From the trail data on this page. For conditions and closures, see official sources.

Trail Conditions

Trail Conditions

Unknown

We have no current condition data for this trail. Check with the operator before you go, and submit a report below if you've been recently.

No recent condition reports. Be the first to share what you see on the trail.

Elevation Profile

Min:2,457 ft
Max:3,014 ft
Gain:1,084 ft
Loss:1,084 ft
Elevation profileA line rising and falling between 2,457 ft and 3,014 ft across 15.5 mi along the route, drawn from start to end.2,457 ft2,643 ft2,828 ft3,014 ft0.0 mi3.9 mi7.7 mi11.6 mi15.5 mi

Elevation at the labelled points along this route
PointDistance from startElevation
Start0.0 mi2,544 ft
High point7.0 mi3,014 ft
End15.5 mi2,544 ft

Trail Details

Route Type
Out & Back

Official sources & verification

Verify before you go

Reserve or permit

  • Apply for permit

    Required permit application for this trail. Many systems run seasonal lotteries or fixed application windows — confirm current dates here.

Where it is

Nearest town:
Mammoth Lakes, CA · about 4 mi away
County:
Madera County, CA

Nearest town and county from U.S. Census Bureau place records and county boundaries.

We display cached information from agency feeds. Hours, fees, permits, closures, fire restrictions, and conditions change without notice. Outdoors is not the permitting authority. Confirm current conditions for this trail using the links above before you go — you are responsible for compliance. Last verified by us: Oct 11, 2026. Spot an error in our data?

Highlights

Agnew MeadowsShadow LakeGarnet LakeThousand Island LakeBanner Peak

Reviews

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Legacy import — verify before navigating

Path geometry came from our pre-launch legacy database. Routes have not yet been re-verified against the operator and may differ from the actual trail.

Nearby Trails

More trails near Agnew Meadows to Thousand Island Lake
Ediza Lake Loop Trail

Ediza Lake Loop Trail

20.3 mi
TrailDifficulty: Expert
Shadow and Ediza Lakes Trail

Shadow and Ediza Lakes Trail

13.0 mi
TrailDifficulty: Expert

Agnew Meadows Cg C/O

0.4 mi
TrailDifficulty: Easy
Agnew Meadows to Devils Postpile

Agnew Meadows to Devils Postpile

12.6 mi
TrailDifficulty: Expert
Shadow, Garnet and Thousand Island Lake

Shadow, Garnet and Thousand Island Lake

16.9 mi
TrailDifficulty: Expert
Thousand Island Lake via PCT

Thousand Island Lake via PCT

16.6 mi
TrailDifficulty: Expert

Stay nearby

Campgrounds near this trail

More campgrounds

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