High Quality Content by WIKIPEDIA articles! Humboldt State University (HSU) is the northernmost campus of the California State University system, located in Arcata within Humboldt County, California, USA. The main campus, nestled at the edge of a coast redwood forest, is situated on Preston hill overlooking Arcata and with commanding views of Humboldt Bay and the Pacific Ocean. Its location eight miles (13 km) north of Eureka and 279 miles (449 km) north of San Francisco on the North Coast of California is notable for its natural beauty.