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
Mount Desert Island and the fleur-de-lis banished, lands along the Maine coast opened for English settlement. Governor Francis Bernard of Massachusetts obtained a royal land grant on Mount Desert Island. In 1760, Bernard attempted to secure his claim by offering free land to settlers. Abraham Somes and James Richardson accepted the offer and settled their families at what is now Somesville. The onset of the American Revolutionary War ended Bernard's plans for Mount Desert Island. In its aftermath, Bernard, who had sided with the British government, lost his claim. Massachusetts, now free of British rule, granted the western half of Mount Desert Island