11 miles east of Rose City
Ogemaw County, Michigan · 44.3892° N, 83.9013° W
The Michigan DNR lists no public access site on South Dease Lake; much of the shore may be private.
Updated 14 Oct 2026, 6:05 pm EDT. Get alerts for South Dease Lake
National Weather Service; National Interagency Fire Center; U.S. EPA CyAN satellite; Michigan DHHS; Michigan DNR. Weather, warnings, fires and satellite refresh when you open the page (checked at most hourly).
Michigan DNR survey, fetched 7 Oct 2026. Not for navigation.
286 acres · deepest 34 ft (measured) · shoreline about 5.2 mi · clarity about 11 ft
South Dease Lake is the 4th largest of the 82 named lakes of 10 acres or more in Ogemaw County. By Michigan DNR survey it is the 16th deepest of the 44 with a measured depth. Its water is clearer than 51 of the other 73 lakes in the county with satellite clarity readings. Its shoreline measures about 5.2 miles along the state outline. About 0% of its area is deeper than 17 ft.
Ranks against Ogemaw 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 11 ft (Secchi depth 3.4 m, satellite readings 2018–23).
Michigan EGLE satellite clarity, fetched 7 Oct 2026.
69 other lakes of 10+ acres within about 12 miles of South Dease Lake, 9 with a page here (darker blue). Sources: Michigan DNR, US Census Bureau.
Michigan DNR survey; straight-line miles.
South Dease Lake is 34 feet at its deepest point, measured by Michigan DNR survey. It covers 286 acres.
About 61% of the lake's area is deeper than 10 feet, measured from Michigan DNR depth contours.