Bathymetry of Lake Tahoe: Report on a project to map the floor of the lake. Includes technical data, methodology, and striking images.
Tahoe Research Group: UC Davis' ongoing research on ecology and watershed management in the Lake Tahoe basin.
U.S. Forest Service - Lake Tahoe Basin Management Unit: Information about forest activities and management, including watersheds and roadless areas, camping, visitor centers.
USGS: Lake Tahoe Data Clearinghouse: A collection of bathymetric image, bottom of the lake, topographic, slope, other maps of the lake.