Holland Tract
Sheep roaming the Holland Tract in 2021. | |
| Geography | |
|---|---|
| Location | Northern California |
| Coordinates | 37°59′55″N 121°36′08″W / 37.99861°N 121.60222°W |
| Adjacent to | Sacramento–San Joaquin River Delta |
| Highest elevation | 7 ft (2.1 m) |
| Administration | |
United States | |
| State | California |
| County | Contra Costa |
The Holland Tract is an island in the Sacramento–San Joaquin River Delta. It is part of Contra Costa County, California, and managed by Reclamation District 2025. Its coordinates are 37°59′55″N 121°36′08″W / 37.99861°N 121.60222°W, and the United States Geological Survey measured its elevation as 7 ft (2.1 m) in 1981. It appears on a 1952 United States Geological Survey map of the area.