2.3 mi from the trailheadOlive Ridge
Campground · Colorado

14.1 mi out & back · 3,739 ft gain · 12,086 ft high point · Very hard
From Wild Basin Trailhead via the Wild Basin Trail, Wild Basin R.S. - Lion Lake Junction, the Thunder Lake Trail, North St. Vrain Campsite, and the Lion Lake Junction - Thunder Lake Trail (5.7 mi)
In Rocky Mountain National Park · Colorado · National Park Service
This out and back from Wild Basin Trailhead reaches Boulder-Grand Pass at 12,086 feet, climbing 3,739 feet and passing Thunder Lake in Rocky Mountain National Park.
3,739 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 hike from its start, the approach dashed. 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 · Colorado
13.7 mi out & back · 5,290 ft gain · Very hard
Rocky Mountain National Park · Camp under a mile away
Hikes that read like this one, wherever they are.

11.7 mi out & back · 2,266 ft gain · Very hard
Rocky Mountain National Park · Camp 2 mi away

9.8 mi out & back · 2,892 ft gain · Very hard
Rocky Mountain National Park · Camp 1 mi away

14.0 mi out & back · 3,087 ft gain · Very hard
Rocky Mountain National Park · Camp 2 mi away

11.4 mi out & back · 2,253 ft gain · Very hard
Rocky Mountain National Park · Camp 2 mi away
No carrier reports signal at this spot.
Sat: Mostly Cloudy · wind 3 to 7 mph WSW