Lake Big Wolf, Montmorency County, MI: Depth Map, Fishing & Water Quality

Where it is

2 miles southeast of Lewiston

Montmorency County, Michigan · 44.8684° N, 84.2756° W

The Michigan DNR lists no public access site on Lake Big Wolf; much of the shore may be private.

Today on the lake

Updated 14 Oct 2026, 6:04 pm EDT. Get alerts for Lake Big Wolf

WEATHERTonight: mostly cloudy, 36°F, wind NE 0 to 5 mph. Thursday: mostly cloudy then chance light rain, 57°F, wind E 0 to 5 mph.

WARNINGSNo weather or fire warnings in effect.

FIRENo wildfires or prescribed burns reported within 25 miles.

BURNINGCampfires and debris burning: check today's status with Michigan DNR.

ALGAEToo small for satellite monitoring (under 1 km²). No bloom reports on record with Michigan DHHS.

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).

Depth map

3 contours, 2 to 5 ft

0245feet

Michigan DNR survey, fetched 7 Oct 2026. Not for navigation.

Size and depth

209 acres · deepest 5 ft (measured) · shoreline about 3.4 mi · clarity about 5 ft

Lake Big Wolf is the 10th largest of the 70 named lakes of 10 acres or more in Montmorency County. By Michigan DNR survey it is the 34th deepest of the 36 with a measured depth. Its water is clearer than 12 of the other 58 lakes in the county with satellite clarity readings. Its shoreline measures about 3.4 miles along the state outline. About 6% of its area is deeper than 4 ft.

Ranks against Montmorency County lakes in Michigan hydrography, Michigan DNR lake surveys and Michigan EGLE satellite clarity; shoreline measured from the state outline. How we measure

Water quality

Average water clarity is about 5 ft (Secchi depth 1.4 m, satellite readings 2018–23).

Clarity 4.6 ft of 5 ft

Michigan EGLE satellite clarity, fetched 7 Oct 2026.

The area around Lake Big Wolf

180 other lakes of 10+ acres within about 21 miles of Lake Big Wolf, 14 with a page here (darker blue). Sources: Michigan DNR, US Census Bureau.

Nearby lakes with measured depth

Little Wolf Lake40 ft deep · 1.2 mi · Montmorency County

East Twin Lake25 ft deep · 1.6 mi · Montmorency County

Tea Lake70 ft deep · 1.7 mi · Oscoda County

Moon Lake16 ft deep · 2.6 mi · Oscoda County

West Twin Lake28 ft deep · 2.9 mi · Montmorency County

Snyder Lake22 ft deep · 3.0 mi · Oscoda County

Michigan DNR survey; straight-line miles.

Common questions

How deep is Lake Big Wolf?

Lake Big Wolf is 5 feet at its deepest point, measured by Michigan DNR survey. It covers 209 acres.