Geography | |
---|---|
Location | Northern California |
Coordinates | 38°12′12″N 122°18′52″W / 38.20333°N 122.31444°W [1] |
Adjacent to | Napa River |
Highest elevation | 3 ft (0.9 m) [1] |
Administration | |
United States | |
State | California |
County | Napa |
Edgerly 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] It is in Napa County, California, and managed as part of the Napa-Sonoma Marshes Wildlife Area. [10] [11] Its coordinates are 38°12′12″N 122°18′52″W / 38.20333°N 122.31444°W [1], and the United States Geological Survey measured its elevation as 3 ft (0.91 m) in 1981. [1]