at Otter Lake
Genesee County, Michigan · 43.2179° N, 83.4596° W
One of 10 lakes named Otter Lake in Michigan. See them all
The Michigan DNR lists no public access site on Otter Lake; much of the shore may be private.
Updated 10 Oct 2026, 12:27 am EDT. Get alerts for Otter 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.
67 acres · deepest 117 ft (measured) · shoreline about 1.5 mi · clarity about 14 ft
Otter Lake is the 21st largest of the 54 named lakes of 10 acres or more in Genesee County. By Michigan DNR survey it is the deepest of the 8 with a measured depth. Its water is clearer than 42 of the other 44 lakes in the county with satellite clarity readings. Its shoreline measures about 1.5 miles along the state outline. About 0% of its area is deeper than 45 ft.
Ranks against Genesee 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 14 ft (Secchi depth 4.2 m, satellite readings 2018–23).
Michigan EGLE satellite clarity, fetched 7 Oct 2026.
15 other lakes of 10+ acres within about 6 miles of Otter Lake. Sources: Michigan DNR, US Census Bureau.
Michigan DNR survey; straight-line miles.
Otter Lake is 117 feet at its deepest point, measured by Michigan DNR survey. It covers 67 acres.
About 63% of the lake's area is deeper than 10 feet, measured from Michigan DNR depth contours.