7 miles southeast of Gaylord
Otsego County, Michigan · 44.9270° N, 84.6127° W
Directions to Opal LakeApple Maps
Directions open in Google or Apple Maps, to the Michigan DNR public access site.
Updated 10 Oct 2026, 12:17 am EDT. Get alerts for Opal 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.
125 acres · deepest 40 ft (measured) · shoreline about 2.3 mi · clarity about 14 ft
Opal Lake is the 7th largest of the 92 named lakes of 10 acres or more in Otsego County. By Michigan DNR survey it is the 10th deepest of the 41 with a measured depth. Its water is clearer than 54 of the other 80 lakes in the county with satellite clarity readings. Its shoreline measures about 2.3 miles along the state outline. About 0% of its area is deeper than 21 ft.
Ranks against Otsego County lakes in Michigan hydrography, Michigan DNR lake surveys and Michigan EGLE satellite clarity; shoreline measured from the state outline. How we measure
1 public access site on Opal Lake.
Michigan DNR boating access, fetched 7 Oct 2026.
Michigan DNR has stocked Opal Lake 27 times since 1979. The most recent stocking was 8,651 walleye on 10 June 2025. Species stocked: rainbow trout, walleye.
Latest: 10 Jun 2025: 8,651 walleye.
Source: Michigan DNR Fisheries, fetched 7 Oct 2026. How we measure
Measured from Michigan DNR contours. How we measure
Historically recorded species, from records through 1956: bluntnose minnow, common shiner, johnny darter, largemouth bass, mimic shiner, northern pike, pumpkinseed, rainbow trout, rock bass, smallmouth bass, white sucker, yellow perch. Historic records, not a current survey.
Michigan Fish Atlas.
Average water clarity is about 14 ft (Secchi depth 4.1 m, satellite readings 2018–23).
Michigan EGLE satellite clarity, fetched 7 Oct 2026.
65 other lakes of 10+ acres within about 10 miles of Opal Lake, 6 with a page here (darker blue); 1 public launch in magenta. Sources: Michigan DNR, US Census Bureau.
Michigan DNR survey; straight-line miles.
Opal Lake is 40 feet at its deepest point, measured by Michigan DNR survey. It covers 125 acres.
Yes. 1 public access site is listed: Opal Lake.
Yes. Michigan DNR has stocked it 27 times since 1979, most recently 8,651 walleye on 10 June 2025.
About 66% of the lake's area is deeper than 10 feet, measured from Michigan DNR depth contours.