Geography | |
---|---|
Location | Northern California |
Coordinates | 38°08′35″N 122°20′40″W / 38.14306°N 122.34444°W [1] |
Adjacent to | Napa River |
Highest elevation | 3 ft (0.9 m) [1] |
Administration | |
United States | |
State | California |
County | Napa and Solano |
Island No. 1 (formerly called Cross Island) [2] is a partially submerged island in the Napa River, upstream of San Pablo Bay (an embayment of San Francisco Bay). [3] [4] [2] It is in Napa and Solano County, California, and parts of it are managed as part of the Napa-Sonoma Marshes Wildlife Area. [5] [6] Its coordinates are 38°08′35″N 122°20′40″W / 38.14306°N 122.34444°W [1], and the United States Geological Survey measured its elevation as 3 ft (0.91 m) in 1981. [1] It, along with Island No. 2, Green Island and Tubbs Island, are labeled on a 1902 USGS map of the area. [7]
Geography | |
---|---|
Location | Northern California |
Coordinates | 38°08′35″N 122°20′40″W / 38.14306°N 122.34444°W [1] |
Adjacent to | Napa River |
Highest elevation | 3 ft (0.9 m) [1] |
Administration | |
United States | |
State | California |
County | Napa and Solano |
Island No. 1 (formerly called Cross Island) [2] is a partially submerged island in the Napa River, upstream of San Pablo Bay (an embayment of San Francisco Bay). [3] [4] [2] It is in Napa and Solano County, California, and parts of it are managed as part of the Napa-Sonoma Marshes Wildlife Area. [5] [6] Its coordinates are 38°08′35″N 122°20′40″W / 38.14306°N 122.34444°W [1], and the United States Geological Survey measured its elevation as 3 ft (0.91 m) in 1981. [1] It, along with Island No. 2, Green Island and Tubbs Island, are labeled on a 1902 USGS map of the area. [7]