Ski Trails and Maps
This link describes backcountry ski touring trips on the Highway 88 coridor. The trips are ranked by difficulty, and include maps, tour distances, and trailhead locations.
Ski Tours in the Sierra Nevada
Carson Pass Area
The Ski Patrol has marked a number of trails in the Echo Lakes Area. The trails are marked with blue diamonds on the trees.
Wilderness Boundary Loop
The U.S. Forest Service has a brochure describing the trails in the area:
Highway 88 ski and snowshoe trails
Caples Lake, Round Top and the Sisters
The US Forest Service also has information about the trail systems at Carson Pass: USFS Carson Pass information
Round Top Trail Looking Red Lake Peak