Estivant Pines Nature Sanctuary is a 508-acre (2.06 km2) nature sanctuary in Keweenaw County, Michigan. It is maintained and preserved by the Michigan Nature Association.
The sanctuary includes what is believed to be the last stand of virgin white pine forest in Upper Michigan. Some of the trees in the sanctuary are 130 to 150 feet high.
In the early 1970s logging began just south of what is now the sanctuary. The Michigan Nature Association (MNA) purchased the land and vowed to protect the 508 acres (2.06 km2) of precious woods