Grand Lake is a 5,660-acre (22.9 km2) lake in Presque Isle County in the U.S. state of Michigan. Grand Lake is a substantial lake of approximately 7 miles (11 km) in length and up to 1.5 miles (2.5 km) in width. The lake is on the boundary between Presque Isle Township to the east and Krakow Township to the west, approximately 15 miles (25 km) north of Alpena on US 23, which passes to the south and west of the lake.[1]