Etna, California . Etna, California Etna is a city in the Scott Valley area of Siskiyou County, California, United States. The population was 737 at the 2010 census, down from 781 at the 2000 census. Originally named Rough and Ready, it was changed by statute in 1874 to Etna after the local flour mill (spelled Ætna/Aetna after Mount Ætna in Sicily). Etna is located at (41.457350, -122.896875). Etna is in Northern California near the Oregon border, located in Scott Valley near the CDP of Greenview, the city of Fort Jones, and the unincorporated community of Callahan. Etna is located at the foot
Mount Dixon (Heard Island) Mount Dixon (Heard Island) Mount Dixon () is a snow-covered peak, high, standing west of Anzac Peak on the Laurens Peninsula, Heard Island. The feature appears to have been roughly charted on an 1860 sketch map by Captain H.C. Chester, an American sealer operating in the area during this period. It was surveyed in 1948 by the Australian National Antarctic Research Expeditions (ANARE), and named by them for Lieutenant Commander George M. Dixon, RANVR, commanding officer of HMAS "Labuan" which landed and relieved the 1948 and 1949 ANARE parties. The peak is 9 km. from the NW side of Big