Size: 620 square kilometers (248 square miles)
This includes the Campo Indian Reservation on the United States side, and the city of Tecate in Mexico.
Terrain: Steep, Hilly terrain
Climate: Mediterranean climate
Temperature: Averages range between 8 to 18 degrees Celsius (46-64 degrees F)
Precipitation: 150 mm to 650 mm per year (6-26 inches)
Vegetation: dominated by chaparral and coastal sage scrub, wetlands (vernal pools, and riparian zones) and conifers in the mountains.
For more information visit Online Planning Atlases: The International Border Area Planning Atlas (IBAP) and The Tijuana River Watershed (TRW) Atlas