Grindstone Butte is a summit in Haakon County, South Dakota, in the United States. With an elevation of 2,595 feet (791 m), Grindstone Butte is the 417th highest summit in the state of South Dakota.
Map of Grindstone Butte, West Haakon Unorganized Territory, SD 57567, USA
Grindstone Butte's name comes from the Native Americans of the area, who collected their grindstones from this summit.
References
Grindstone Butte Wikipedia(Text) CC BY-SA