The Tahoe Big Year
TBY Boundaries

To capture the popular and primary birding and residential locations of the greater Tahoe area, the boundaries for the 2024 Tahoe Big Year are as follows or view this map:
  • Within the boundaries of the hydrologic Lake Tahoe Basin
  • Any portion of California within the hydrologic Truckee River watershed.
  • This includes Boca, Stampede, and Prosser Reservoirs
  • Any birds found along the Tahoe area Pacific Crest Trail or Tahoe Rim Trail that fall just outside of the above-defined boundaries will be deemed close-enough.
  • Round Top at Carson Pass and parts of the Mt. Rose Wilderness Area are included in the TBY boundaries.

Tahoe Big Year Boundary Map