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) the Harvey Mill Company was building a logging railroad. The first car for the railroad was brought in on November 6, 1912 by the steamer "Etna". A large shipment of rails was expected, sufficient to construct the anticipated seven miles of trackage that the company planned to build. November 6 was also the first day that the water level in the river had risen sufficiently to allow "Etna" to resume operations. The first five cars of rails arrived at Woodland on November 20, 1912, and were placed on the river bank to be carried upriver by the steamer "Etna". There