Coon 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][15][16][17][18] It is in Napa County, California, and managed as part of the Napa-Sonoma Marshes Wildlife Area.
[19][20] Its coordinates are 38°11′33″N 122°19′24″W / 38.19250°N 122.32333°W / 38.19250; -122.32333 (Coon Island)[1], and the United States Geological Survey measured its elevation as 3 ft (0.91 m) in 1981.
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