Updated 9 Oct 2026, 3:26 am EDT. Get alerts for Upper Straits Lake
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Michigan DNR survey, fetched 7 Oct 2026. Not for navigation.
345 acres · deepest 96 ft (measured) · shoreline about 6.3 mi · clarity about 13 ft
Upper Straits Lake is the 13th largest of the 290 named lakes of 10 acres or more in Oakland County. By Michigan DNR survey it is the 6th deepest of the 104 with a measured depth. Its water is clearer than 210 of the other 248 lakes in the county with satellite clarity readings. Its shoreline measures about 6.3 miles along the state outline. About 0% of its area is deeper than 52 ft.
Ranks against Oakland County lakes in Michigan hydrography, Michigan DNR lake surveys and Michigan EGLE satellite clarity; shoreline measured from the state outline. How we measure
Average water clarity is about 13 ft (Secchi depth 3.9 m, satellite readings 2018–23).
Michigan EGLE satellite clarity, fetched 7 Oct 2026.
Michigan DNR survey; straight-line miles.
Upper Straits Lake is 96 feet at its deepest point, measured by Michigan DNR survey. It covers 345 acres.
About 56% of the lake's area is deeper than 10 feet, measured from Michigan DNR depth contours.