2.3 mi from the trailheadDenny Creek Campground
Campground · Washington

11.2 mi out & back · 3,543 ft gain · 4,592 ft high point · Very hard
From Pratt Lake Trailhead
In Snoqualmie National Forest · Washington · OpenStreetMap contributors
From Pratt Lake Trailhead, Island Lake Trail reaches Island Lake in Snoqualmie National Forest on an 11.2-mile out and back, passing Rainbow Lake and Olallie Lake and climbing 3,543 feet.
3,543 ft of gain round trip.
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 · Washington
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Today: Mostly Cloudy · wind 3 to 8 mph E