| California National Wetlands Inventory Maps |
|---|
| Ubehebe Crater | Goldfield SW | |
| Ubehebe Peak | Death Valley NE | |
| Uhlmeyer Spring | Mariposa SE | |
| Ukiah | Ukiah SW | |
| Union Island | San Jose NW | |
| Union Wash | Fresno NE | |
| Updegraff Ridge | Ukiah NW | |
| Upper Centennial Flat | Death Valley SE | |
| Upper Lake | Ukiah SE |