Etna, Minnesota Etna, Minnesota Etna is an unincorporated community in Bloomfield Township, Fillmore County, Minnesota, United States. Etna is located within ZIP code 55975 based in Spring Valley. A post office previously operated in the community of Etna from 1856 to 1901. The community was named for Mount Etna, on Sicily. The community is located 8 miles southeast of Spring Valley, at the junction of Fillmore County 14 and 153rd Avenue. U.S. Highway 63 is nearby. Etna Creek and the South Branch Root River both flow through the community. Nearby places in Minnesota include Spring Valley, Ostrander, Le Roy, Cherry Grove, and
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"