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) of "Etna" was substantially affected by the rise and fall of river levels, which were generally seasonal. Small craft like "Etna" on the Columbia River system were sometimes referred to at the time as the "mosquito fleet" "Etna" was built in Portland, Oregon in 1906 for Horace Campbell by the Portland shipyard of Joseph Supple. Campbell was a steamboat engineer with extensive experience on the Lewis and Lake rivers. "Etna" was exclusive of the extension of the deck over the stern, called the fantail, on which the stern-wheel was mounted. "Etna" had a beam of exclusive of the protective timbers