9.6 mi from the trailheadAlturas Lake Inlet
Campground · Idaho

0.5 mi one way · 290 ft climb · 8,677 ft high point · Very hard
In Sawtooth Wilderness · Idaho · U.S. Forest Service
Three Island Lake Trail reaches the lake destination in Sawtooth Wilderness over 0.5 miles of very difficult terrain with Rock Slide Lake nearby.
290 ft of gain and 47 ft of descent.
The closest places to sleep, measured from the trailhead.
Ranked the same way, within twenty-five miles.
What the trail reaches, measured from the start.
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.
Campground
7.8 mi one way · 2,008 ft climb · Very hard
Sawtooth Wilderness · Camp 9 mi away
No carrier reports signal at this spot.
Today: Chance Showers And Thunderstorms · wind 10 to 15 mph SSE
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