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Knight Island (California) facts for kids

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Knight Island
Aerial image of an island.
USGS aerial imagery of Knight Island
Location Northern California
Adjacent bodies of water Napa River
Highest elevation 3 ft (0.9 m)
United States
State  California
County Solano
Knight Island, USGS map CA Cuttings Wharf 289711 1949 24000
Knight Island as it appears on a 1951 USGS topographic map.
Napa River in Vallejo
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). It is in Solano County, California, and managed as part of the Napa-Sonoma Marshes Wildlife Area. Its coordinates are 38°08′09″N 122°17′58″W / 38.13583°N 122.29944°W / 38.13583; -122.29944 (Knight Island), and the United States Geological Survey measured its elevation as 3 ft (0.91 m) in 1981.

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