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Rainbow Lakes Trailhead to Arapaho Glacier Overlook – 6 miles; Fourth of July Mine – 7.8 miles.
The Arapaho Glacier Trail leads northward from the Rainbow Lakes Trailhead (located before the Rainbow Lakes Campground) and enters the Indian Peaks Wilderness. Climbing through the woods for about two miles, the trail exits onto the open tundra with a fine view into the City of Boulder Watershed. As posted, this area is closed to public access. Do not trespass.
After several switchbacks, the Arapaho Glacier Trail crosses to the south side of the ridge. At its highest point, the trail offers a spectacular overlook of the Arapaho Glacier, South Arapaho Peak (elevation 13,397′), and North Arapaho Peak (elevation 13,502′).
The Arapaho Glacier Trail descends 1,300 feet down a series of switchbacks to the south, intersecting the Arapaho Pass Trail at the Fourth of July Mine.
|Permit Info:||This trail lies within the Indian Peaks Wilderness Area:
|Restrictions:||Indian Peak Wilderness restrictions apply:
Fishing and hunting: permitted in accordance with regulations established by the Colorado Parks & Wildlife.
|Closest Towns:||Nederland, Colorado|
|Restroom:||Vault toilets at the Rainbow Lakes Trailhead|
|Operated By:||U.S. Forest Service|
|Information Center:||Boulder Ranger District, 2140 Yarmouth Ave, Boulder, CO 80301|
From Nederland, head north on Colorado Highway 72 for approximately seven miles. Look for the University of Colorado Mountain Research Station sign and turn west onto National Forest System Road (NFSR) 298. This road is a five-mile, native-surfaced road. A high clearance vehicle is recommended.
The Rainbow Lakes Road is gated during the winter near the Sourdough Trail.
Day Hiking and Backpacking
- Trail Measurement: 6 and 7.8 Miles
- Compass Latitude: 400050N
- Compass Longitude: 1053657W
- Numeric Latitude: 40.0138756
- Numeric Longitude: -105.6158352
- Elevation in Meters: 3048 to 3870
- Elevation in Feet: 10,000 to 12,700
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