Sulphur Well is an unincorporated community located in Metcalfe County, Kentucky, United States.

Sulphur Well is named for a vein of mineral water a local landowner discovered while drilling for salt before the American Civil War.

The landowner then began operating a hotel near the mineral well, and a village grew up in the area.

[2] The community is located in northern Metcalfe County along Kentucky Route 70.

This Metcalfe County, Kentucky state location article is a stub.