Siskiyou County Map
Siskiyou County is located in the north-central part of California adjacent to the State of Oregon. It is bordered by Del Norte, Humboldt, and Trinity Counties on the west and southwest, Shasta County to the south, and Modoc County to the east. The 6,300 square miles of territory makes Siskiyou the fifth largest County in the state and the largest county in Northern California.
Map by Linda Freeman, COSCOS