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) navigation on the Willamette River above Newberg, Oregon, and government dredging operations had ceased, there was talk among the farmers along the river between Newberg and Wheatland of securing the steamer "Etna", then running on the Lewis River, to carry freight on the Willamette. On October 6, 1910, early rains raised the water level high enough on the north fork of the Lewis River so that "Etna" could navigate on the route. This was about three or four weeks before the water was usually deep enough for "Etna" to make the trip on the north fork In mid-February 1911, "Etna"