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 of
Italian cruiser Etna which time she made a visit to Sydney, Australia. She returned home in 1902 and was disarmed; she was then commissioned as the flagship of the Superior Torpedo-Boat Command in 1904. In 1907, "Etna" was converted into a training cruiser for naval cadets. "Etna" visited the United States in September 1909 for the Hudson-Fulton Celebration in New York City, which also included ships from the German, British, and French fleets, among others, in addition to the hosting US Navy. On this occasion, she was joined by the cruiser . "Etna" saw limited action during the Italo-Turkish War in 1911–12. At