Knight Island (California)
USGS aerial imagery of Knight Island | |
| Geography | |
|---|---|
| Location | Northern California |
| Coordinates | 38°08′09″N 122°17′58″W / 38.13583°N 122.29944°W |
| Adjacent to | Napa River |
| Highest elevation | 3 ft (0.9 m) |
| Administration | |
United States | |
| State | California |
| County | Solano |
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, and the United States Geological Survey measured its elevation as 3 ft (0.91 m) in 1981.