Etna, Minnesota Greenleafton. Nearby places in Iowa include Chester and Lime Springs. Etna is located 5 miles east of Ostrander; and 4 miles west of Cherry Grove. Forestville Mystery Cave State Park is also nearby. 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
Etna, New Hampshire Etna Post Office. The Appalachian Trail passes a mile or so north of the village before it turns northeast to cross Moose Mountain on its way to Lyme. Etna can be accessed from NH Rt. 120 via Greensboro Road or Great Hollow Road (Etna Road, north of the Lebanon exit (number 18) from Interstate 89), or from Hanover via Trescott Road (E. Wheelock Street). Etna was the site of the 2001 murders of Dartmouth College professors Half and Susanne Zantop, dubbed the Dartmouth Murders. The store, sometimes referred to by locals as simply the Etna General, is the main retail