Crystal Lake (Benzie County, Michigan)
General data
- Name: Crystal Lake (Benzie County, Michigan)
- Water system: St. Lawrence River
- Water type: Natural lake
- Progression: Outlet Creek (Michigan) -> Betsie River -> Lake Michigan -> Lake Huron -> St. Clair River -> Lake St. Clair (North America) -> Detroit River -> Lake Erie -> Niagara River -> Lake Ontario -> St. Lawrence River -> Gulf of St. Lawrence -> Atlantic Ocean -> Planet Earth
- Climates: Continental
- Continents: North America
- Countries: United States of America
Crystal Lake, the largest lake of this name in Michigan, is located near Lake Michigan in Benzie County about 25 miles (40 km) southwest of Traverse City and about 2 miles (3.2 km) northeast of Frankfort at 44°39′N 86°09′W. It measures approximately 2.5 by 8 miles (4.0 by 12.9 km), and has a maximum depth of 165 feet (50 m). At 9,854 acres (40 km2), it is Michigan's ninth largest inland lake. Up to and through the American Civil War years Crystal Lake was known as "Cap Lake" due to the frequent whitecaps visible on its surface. Crystal Lake is adjacent to the southern reaches of the Sleeping Bear Dunes National Lakeshore.