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, Texas Etna, Texas Etna is a ghost town that was located near the site of present-day Bullard in northwestern Cherokee County, Texas, United States. Etna was first settled by immigrants from the Old South around the time of the Civil War. A local post office was established in 1867 and by the early 1880s the town possessed a dry good store, a district school, a church, a gristmill, a blacksmith, and several general stores. The settlement began to decline by the mid-1880s after the Kansas and Gulf Short Line Railroad bypassed Etna. Most of the residents and businesses move to Bullard