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 High School Etna High School Etna High School (EHS) (also known as Etna Union High School) is a small public high school in Etna, California, United States. Etna High School was founded in 1891 in Etna, a community founded as a result of the California Gold Rush. As of the 2015-2016 school year, there are 24 members of the faculty and staff. Spanish is offered as a second language. Etna High School's colors are red, white, and black, and the team names are the Lions. Pam Rimmer is the Athletic Director. The seasonal sports offered are as follows: On 3 December 2015,