You can find licensing costs here
You can purchase your license online on the DFG website
is a wild trout fishery northeast of Travis. There are five county day use access points west of the town of Winters. You can also access the river at the Highway 128 bridge. Park on the southwest side. Water is low right now, so a lighter rod like a three or four weight would be fine. Think small... like size 20 and 22.