Au Train Lake

Soundings in feet · 845 acres · deepest 30 ft

Today on the lake

Updated 9 Oct 2026, 2:54 am EDT. Get alerts for Au Train Lake

WEATHEROvernight: mostly clear, 36°F, wind W 5 mph. Friday: sunny, 60°F, wind N 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.

ALGAECAUTION Satellite detected cyanobacteria across about 4% of the lake on 27 Sep 2026, the latest clear-sky image. Blooms were reported on 28 Aug 2026; not tested.

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

6 contours, 5 to 30 ft

051015202530feet

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

Size and depth

845 acres · deepest 30 ft (measured) · shoreline about 6.9 mi · clarity about 12 ft

Au Train Lake is the 2nd largest of the 169 named lakes of 10 acres or more in Alger County. By Michigan DNR survey it is the 24th deepest of the 87 with a measured depth. Its water is clearer than 113 of the other 123 lakes in the county with satellite clarity readings. Its shoreline measures about 6.9 miles along the state outline. About 31% of its area is deeper than 15 ft.

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

Fishing

Michigan DNR has stocked Au Train Lake 49 times since 1979. The most recent stocking was 9,990 walleye on 18 June 2026. Species stocked: largemouth bass, smallmouth bass, tiger muskellunge, walleye.

49 stockings, 1979 to 2026, log scale

Latest: 18 Jun 2026: 9,990 walleye.

18 Jun 2026STOCKED9,990 walleye

18 Jun 2024STOCKED10,417 walleye

24 Jun 2021STOCKED9,900 walleye

25 Jun 2018STOCKED15,093 walleye

22 Jun 2016STOCKED6,220 walleye

21 Jun 2016STOCKED15,100 walleye

Source: Michigan DNR Fisheries, fetched 7 Oct 2026. How we measure

Where the deep water is

Show water deeper than

Measured from Michigan DNR contours. How we measure

Historically recorded species, from records through 1989: lake herring, northern pike, yellow perch. Historic records, not a current survey.

Michigan Fish Atlas.

Water quality

Average water clarity is about 12 ft (Secchi depth 3.6 m, satellite readings 2018–23).

Clarity 11.8 ft of 30 ft

Michigan EGLE satellite clarity, fetched 7 Oct 2026.

Email me about Au Train LakeWhen it is stockedMichigan DNR has stocked Au Train Lake 49 times since 1979, most recently 9,990 walleye on 18 June 2026. 1 stocking so far in 2026.When algae is reported or testedMichigan DHHS lists 1 bloom report and 0 water samples here. 1 record in 2026, the latest on 28 Aug 2026.When satellite sees a bloom startEPA satellite, checked daily, June to October. We email when a bloom first shows on two clear days, not every day it stays. In 2026 that happened on 16 Sep.Any lake in Alger CountyStockings and algae records on every lake in the county. In 2026 so far: 6 emails.

In 2026 so far, these alerts would have sent you 3 emails about Au Train Lake: 18 Jun, 28 Aug and 16 Sep.

Email address

At most one email a week per lake. We email you a link to confirm before any alert is sent; every email has a one-click unsubscribe.

Nearby lakes with measured depth

Addis Lake (Northeast)5 ft deep · 4.4 mi · Alger County

Cole Creek Pond4 ft deep · 4.5 mi · Alger County

Ackerman Lake49 ft deep · 5.0 mi · Alger County

No Name15 ft deep · 5.2 mi · County

Perch Lake30 ft deep · 6.0 mi · Alger County

Joe Lake35 ft deep · 6.8 mi · Alger County

Michigan DNR survey; straight-line miles.

Common questions

How deep is Au Train Lake?

Au Train Lake is 30 feet at its deepest point, measured by Michigan DNR survey. It covers 845 acres.

Is Au Train Lake stocked with fish?

Yes. Michigan DNR has stocked it 49 times since 1979, most recently 9,990 walleye on 18 June 2026.

How much of Au Train Lake is deeper than 10 feet?

About 56% of the lake's area is deeper than 10 feet, measured from Michigan DNR depth contours.