Dyas Hexagonal Barn

The Dyas Hexagonal Barn is a historical building located near Bellevue in rural Jackson County, Iowa, United States. Built in 1921, it is a round barn measuring 50 feet (15 m) around, with red horizontal siding on a stone foundation, a tin roof, and a central wood stave silo extending through the roof.^[2] Despite the common name, the building is actually eight-sided, and is also known as the Dyas Octagonal Barn.^[3][4] Originally the roof was flat or almost flat; it is one of four round barns known to have been built on the same farm.^[2] It has been listed on the National Register of Historic Places since 1986.^[1]

Dyas Hexagonal Barn
U.S. National Register of Historic Places
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Location	U.S. Route 52 Bellevue, Iowa
Coordinates	42°14′38″N 90°25′03″W
Area	less than one acre
Built	1921
MPS	Iowa Round Barns: The Sixty Year Experiment TR
NRHP reference No.	86001442[1]
Added to NRHP	June 30, 1986