San Andreas, CA is a charming Gold Country county seat in the Sierra Nevada foothills—an easy base for multi-week travel therapists with a lively main street, Gold Rush history, plentiful hiking, fishing and lake/mountain recreation, plus cozy cafés and a small but active arts and events scene to keep downtime interesting.
For bigger-city options within a short drive, Stockton and Modesto (both under about 75 miles) offer expanded shopping, dining, entertainment and transit connections when you want more variety.