Knight Island (California)

Knight Island
Aerial image of an island.
USGS aerial imagery of Knight Island
Knight Island is located in San Francisco Bay Area
Knight Island
Knight Island
Knight Island is located in California
Knight Island
Knight Island
Knight Island is located in the United States
Knight Island
Knight Island
Geography
LocationNorthern California
Coordinates38°08′09″N 122°17′58″W / 38.13583°N 122.29944°W / 38.13583; -122.29944 (Knight Island)[1]
Adjacent toNapa River
Highest elevation3 ft (0.9 m)[1]
Administration
United States
State California
CountySolano
Knight 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.

Knight Island is a mostly-submerged island in the Napa River, upstream of San Pablo Bay (an embayment of San Francisco Bay).[2][3][4] It is in Solano County, California, and managed as part of the Napa-Sonoma Marshes Wildlife Area.[5][6] Its coordinates are 38°08′09″N 122°17′58″W / 38.13583°N 122.29944°W / 38.13583; -122.29944 (Knight Island)[1], and the United States Geological Survey measured its elevation as 3 ft (0.91 m) in 1981.[1]

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