History & Culture · Southern Tier
Big Flats Is Named For The Valley Shape
Big Flats' name is a geography lesson: the Chemung Valley widens into broad flatland that shaped settlement and local work.
Published June 24, 2026 · Last verified June 24, 2026
Big Flats has one of those names that still explains the map. NY Heritage says the town was formerly called Great Plains, was organized in 1822 from Elmira, and sits where the Chemung River turns and the valley opens into broad flatland. The town also presents itself as the Southern Tier gateway to the Finger Lakes, with parks, trails, and a residential-commercial mix.
Put together, Big Flats is more than suburban space between Elmira and Corning. Its identity starts with the valley floor: usable land, river movement, roads, light commerce, and a name that tells you what early settlers noticed.
The flatland detail is simple, but it sticks. Chemung Valley and broad ground give Big Flats a clearer shape than a bare county label.
That is why the name still does real work. Big Flats sounds plain until the valley opens up and the geography explains itself. The town becomes a Southern Tier place where landform, river bend, settlement, and modern roads all point to the same broad floor.
The name is almost a map label and a local story at the same time.