The Lake Blanche or Mill B South Trail enters into the Twin Peaks Wilderness Area and leads to Lake Blanche, Lake Lillian, and Lake Florence. This hiking and backcountry skiing trail provides access to Sundial Peak. Glacial evidence can be seen all around along this trail.

Directions: From Salt Lake City, Follow Big Cottonwood Canyon Road (7000 South Wasatch Blvd.) about 4.3 miles up the canyon to Mill B South Fork Picnic Area just before the "S" curve. Turn into picnic area and go left. Trailhead is located at the east end of the picnic area by the outhouse.

Elevation: 6,360 feet

Ending Elevation: 8,920 feet

Elevation Gain: 2,560 feet

Distance: 3.7 miles

Usage: Extremely Heavy

Difficulty: Strenuous

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