Butte des Morts is an unincorporated census-designated place in the town of Winneconne and Oshkosh, in Winnebago County, Wisconsin, United States.

[4] The community is located at the north side of (Big) Lake Butte des Morts[5] on the former route of Wisconsin Highway 110.

The Augustin Grignon Hotel, listed on the National Register of Historic Places, is located within the community.

Origin of Name In 1730 French soldiers and Menominee warriors massacred people of the Sauk Nation.

The French named the place the Hill of the Dead, or Butte des Morts.