Answer:

This is Petobego Pond on the Grand Traverse/Antrim County border between Acme and Elk Rapids.

'The Petobego Natural Area is a portion of a much larger wetland complex within the Tobeco Creek watershed that includes Petobego Pond and Petobego Marsh, both of which are recognized by the Michigan Natural Features Inventory as natural areas of statewide significance. The entire marsh and a portion of the pond are owned by the State of Michigan as part of the Petobego State Game Area. Significant portions of the Petobego Natural Area occur within the State Game Area boundary and are considered critical to the health of the Game Area.' More Info