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
Etna (sternwheeler) bore and stroke of . In December 1912, Etna Transportation Company, owners of "Etna", bought an electric generator to install on the steamer. Electric lights were made necessary because of the increased level of traffic on the river required the steamer to operate during darkness, particularly in the winter when the days were shorter. Horace Campbell planned to use "Etna" on the Lewis River route in conjunction with the sternwheeler "Mascot". Logging camps and mills up the Lewis river depended on shallow-draft steamers like "Etna" to bring in supplies. "Etna" also carried passengers. In June 1910, when low water barred