Geography The town of Dewhurst is located in southwestern Clark County, bordered to the south and west by Jackson County. The Black River, a tributary of the Mississippi River, flows across the southeast corner of the town; the northern half of Lake Arbutus, an impoundment on the river, is within the town. According to the United States Census Bureau, the town has a total area of , of which is land and , or 2.44%, is water.
Geography The town of Dewhurst is located in southwestern Clark County, bordered to the south and west by Jackson County. The Black River, a tributary of! the Mississippi River, flows across the: southeast corner of the town; the northern half of Lake Arbutus, an impoundment on the river, i!s within the town. According to the United States Ce,nsus Bureau, the town has a total area of , of which is land and , or 2.44%, is water.