Gallion is an unincorporated community in Hale County, Alabama. It was named in honor of Jo Gallion, a railroad official. Gallion has a post office with a ZIP code of 36742 . Gallion has one site on the National Register of Historic Places, a plantation house known as Waldwic.
Gallion is located at 32°29′49″N 87°42′58″W / 32.49681°N 87.71612°WCoordinates: 32°29′49″N 87°42′58″W / 32.49681°N 87.71612°W and has an elevation of 194 feet (59 m).
The climate in this area is characterized by hot, humid summers and generally mild to cool winters. According to the Köppen Climate Classification system, Gallion has a humid subtropical climate, abbreviated "Cfa" on climate maps.