Fremont Peak above Hollister Hills
Drive up to Mt Hamilton
In non covid times; Henry Coe by Gilroy, park, hike and camp, can't say what the open/closed policy is now.
The Pinnacles
Drive to Panoche and get a sandwich if they are open
Of course Trona Pinnacles or Death Valley are a day drive away.
Go to North Fork and find the geographic center of California
Find the Tom Stienstra Calif camping book;