The western shore of the lake is on the boundary with Emmet County .
Burt Lake is a 17,120 acre ( 69 km2 ) lake in Cheboygan County in the U.S. state of Michigan .
The western shore of the lake is on the boundary with Emmet County .
Burt Lake is a 17,120 acre ( 69 km2 ) lake in Cheboygan County in the U.S. state of Michigan .