Geography | |
---|---|
Location | Northern California |
Coordinates | 38°12′09″N 122°18′16″W / 38.20250°N 122.30444°W [1] |
Adjacent to | Napa River |
Highest elevation | 23 ft (7 m) [1] |
Administration | |
United States | |
State | California |
County | Napa |
Green Island is an island in the Napa River, upstream of San Pablo Bay (an embayment of San Francisco Bay). [2] [3] [4] [5] [6] [7] [8] [9] [10] [11] [12] [13] [14] It is in Napa County, California, and managed as part of the Napa-Sonoma Marshes Wildlife Area. [15] [16] Its coordinates are 38°12′09″N 122°18′16″W / 38.20250°N 122.30444°W [1], and the United States Geological Survey measured its elevation as 23 ft (7.0 m) in 1981. [1] It, long with Island No. 1, Island No. 2 and Tubbs Island, are labeled on a 1902 USGS map of the area. [17]
Geography | |
---|---|
Location | Northern California |
Coordinates | 38°12′09″N 122°18′16″W / 38.20250°N 122.30444°W [1] |
Adjacent to | Napa River |
Highest elevation | 23 ft (7 m) [1] |
Administration | |
United States | |
State | California |
County | Napa |
Green Island is an island in the Napa River, upstream of San Pablo Bay (an embayment of San Francisco Bay). [2] [3] [4] [5] [6] [7] [8] [9] [10] [11] [12] [13] [14] It is in Napa County, California, and managed as part of the Napa-Sonoma Marshes Wildlife Area. [15] [16] Its coordinates are 38°12′09″N 122°18′16″W / 38.20250°N 122.30444°W [1], and the United States Geological Survey measured its elevation as 23 ft (7.0 m) in 1981. [1] It, long with Island No. 1, Island No. 2 and Tubbs Island, are labeled on a 1902 USGS map of the area. [17]