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
Mount Hobson (Great Barrier Island) and stairs to protect the breeding areas and prevent erosion. A number of rare and declining plants on the mainland are largely restricted (or completely restricted) to Great Barrier Island are found on Mount Hobson, these include, "Pittosporum kirkii", "Epacris sinclairii", "Kunzea sinclairii", and also "Olearia allomii". Mount Hobson (Great Barrier Island) Mount Hobson ("Hirakimata" in Maori) is the highest mountain on Great Barrier Island, New Zealand. Located in the centre of the island, it rises above sea level. Various mountain tracks allow relatively easy access to the summit, with the shortest (2 hour) track leading through the famous Windy