What was the 21st, last and northernmost mission in Alta California, and is located on a part of a California State Park located in the center of Sonoma, California ?
Sonoma State Historic Park: Sonoma State Historic Park is a California State Park located in the center of Sonoma, California. Mission San Francisco Solano (California): Mission San Francisco Solano was the 21st, last and northernmost mission in Alta California.
Mission San Francisco Solano