Crystal Lake is a private 83-acre (34 ha) lake along the main branch of the Clinton River in Pontiac in Oakland County, Michigan.

Downstream, the Clinton River goes underground in Pontiac near Orchard Lake Road and Bagley Avenue.

The river reappears, after being piped under Pontiac for 3,000 feet (910 m), near Union Street and E. Huron Street (M-59), where it winds its way eastward to Auburn Hills and beyond.

[3] There is a public golf course on Crystal Lake.

[4] Fish on Crystal Lake include Yellow Perch, Smallmouth Bass and White Perch.