Lake Hudson, Lenawee County, MI: Depth Map, Fishing & Water Quality

Where it is

3 miles southwest of Clayton

Lenawee County, Michigan · 41.8310° N, 84.2658° W

Directions to Lake Hudson Apple Maps

Directions open in Google or Apple Maps, to the Michigan DNR public access site.

Today on the lake

Updated 14 Oct 2026, 6:24 pm EDT. Get alerts for Lake Hudson

WEATHERTonight: mostly cloudy, 48°F, wind NE 7 mph. Thursday: mostly cloudy then rain likely, 65°F, wind ENE 9 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.

ALGAECAUTION Satellite detected cyanobacteria across about 33% of the lake on 13 Oct 2026, the latest clear-sky image.

LAUNCHESLake Hudson: Closed. Michigan DNR record updated 3 Apr 2026.

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

5 contours, 5 to 25 ft

0510152025feet

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

Size and depth

471 acres · deepest 25 ft (measured) · shoreline about 10.2 mi

Lake Hudson is the 5th largest of the 46 named lakes of 10 acres or more in Lenawee County. By Michigan DNR survey it is the 16th deepest of the 20 with a measured depth. Its shoreline measures about 10.2 miles along the state outline. About 100% of its area is deeper than 15 ft.

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

Getting on the water

1 public access site on Lake Hudson.

Lake Hudson · Lake Hudson State Recreation Area · Closed

1 ramp lane · 28 trailer spaces · vault toilet · Recreation Passport required

Local boating rules, Lenawee County

Michigan DNR boating access, fetched 7 Oct 2026.

Water quality

CAUTION The highest toxin level measured here was microcystin at 87.6 ppb on 21 August 2024, 11 times the EPA swimming guideline of 8 ppb. 2 water samples are on record, the latest from 21 August 2024. Check current advisories before swimming.

Source: Michigan DHHS harmful algal bloom sampling; U.S. EPA 2019 recreational criteria. Fetched 7 Oct 2026.

The area around Lake Hudson

9 other lakes of 10+ acres within about 6 miles of Lake Hudson, 1 with a page here (darker blue); 1 public launch in magenta. Sources: Michigan DNR, US Census Bureau.

Nearby lakes with measured depth

Posey Lake45 ft deep · 4.9 mi · Lenawee County

Round Lake67 ft deep · 9.3 mi · Lenawee County

Devils Lake63 ft deep · 10.9 mi · Lenawee County

Lake Adrian22 ft deep · 13.0 mi · Lenawee County

Bird Lake64 ft deep · 13.3 mi · Hillsdale County

Deep Lake50 ft deep · 14.0 mi · Lenawee County

Michigan DNR survey; straight-line miles.

Common questions

How deep is Lake Hudson?

Lake Hudson is 25 feet at its deepest point, measured by Michigan DNR survey. It covers 471 acres.

Is there a public boat launch on Lake Hudson?

Yes. 1 public access site is listed: Lake Hudson.

How much of Lake Hudson is deeper than 10 feet?

About 48% of the lake's area is deeper than 10 feet, measured from Michigan DNR depth contours.

Has Lake Hudson had toxic algae?

The highest toxin level measured was microcystin at 87.6 ppb (21 August 2024). Check current advisories before swimming.