Ossian is a city in Winneshiek County, Iowa, United States. The population was 802 at the time of the 2020 census. Ossian is situated 8 km northwest of Castalia.

Postville is a city in Allamakee and Clayton counties in the U.S. state of Iowa. It lies near the junction of four counties and at the intersection of U.S. Routes 18 and 52 and Iowa Highway 51, with airport facilities in the neighboring communities of Waukon, Decorah, Monona and Prairie du Chien. Postville is situated 9 km east of Castalia.

Castalia

Location: Bloomfield Township, Winneshiek, Iowa, Midwest, United States, North America
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Latitude

43.11192° or 43° 6′ 43″ north

Longitude

-91.67626° or 91° 40′ 35″ west

Elevation

380 metres (1,247 feet)

Open location code

86MC486F+QF

GeoNames ID

4850611

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About Mapcarta. Text is available under the CC BY-SA 4.0 license, except for photos, directions, and the map. Photo: Carl Wycoff, CC BY 2.0.