Green Island (California)

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 / 38.20250; -122.30444 (Green Island)[1], and the United States Geological Survey measured its elevation as 23 ft (7.0 m) in 1981.

2 and Tubbs Island, are labeled on a 1902 USGS map of the area.

This Napa County, California-related article is a stub.

Green Island as it appears on a 1951 USGS topographic map.
An aerial view, looking toward the west, of the Napa River where it flows into San Pablo Bay through Vallejo . Islands visible include, from bottom of image: Mare , No. 1 , Knight , Russ , No. 2 , Green, Bull , Edgerly , Coon , Little , and Tubbs .