Slinde Mounds State Preserve

Slinde Mounds State Preserve in Hanover Township, Allamakee County, Iowa, United States, contains ancient Indian mound burials in some hill prairie. About 32 acre, it is on a terrace above Canoe Creek, a tributary of the Upper Iowa River, and is approximately six miles from Waukon.

The state acquired the land in 1979. Since 1989 listed on the National Register of Historic Places. It receives its name from the family who sold the land to the state.

It is located in the Driftless Area of Iowa, a region which escaped being glaciated during the last ice age. It is adjacent to the Canoe Creek Wildlife Management Area and the Upper Iowa Access hunting area.