Siskiyou County lies north between Shasta & Modoc Counties with Mount Shasta as its iconic symbol surrounded by breathtaking scenery making it an ideal gateway for hikers wishing to explore either Lassen or Trinity National Forests both offering lush green forests & majestic beauty throughout various seasons while discovering falls & lakes scattered across its wild nature . At 15982 square miles Siskiyou has documented an average population density of 7 people per every square mile . Popular representation in media come from places like Dunsmuir ( Historic Railway Park ) or Weed ( Pioneer History Museum ) giving tourists insight into old west history but also downtown Dunsmuir's eclectic atmosphere inspired by train station architecture during late 19th century featuring several local cafes & shops open for business next to ancient architecture tailored to bring locals back in time upon entering this town .