Montmorency County · Michigan

Avalon Lake

Soundings in feet · 386 acres · deepest 74 ft

Today on the lake

Updated 9 Oct 2026, 3:02 am EDT. Get alerts for Avalon Lake

WEATHEROvernight: partly cloudy, 38°F, wind SW 5 mph. Friday: sunny, 62°F, wind W 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.

ALGAENo cyanobacteria detected by satellite on 5 Oct 2026, the latest clear-sky image.

LAUNCHESAvalon Lake: listed open. 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

9 contours, 5 to 74 ft

051020304050607074feet

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

Size and depth

386 acres · deepest 74 ft (measured) · shoreline about 3.1 mi · clarity about 21 ft

Avalon Lake is the 6th largest of the 70 named lakes of 10 acres or more in Montmorency County. By Michigan DNR survey it is the 4th deepest of the 36 with a measured depth. Its water is clearer than 57 of the other 58 lakes in the county with satellite clarity readings. Its shoreline measures about 3.1 miles along the state outline. About 42% of its area is deeper than 40 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

Getting on the water

1 public access site on Avalon Lake.

Avalon Lake · Clear Lake State Park · Open

1 ramp lane · 10 trailer spaces · 6 car spaces · vault toilet · accessible restroom · Recreation Passport required

Local boating rules, Montmorency County

Michigan DNR boating access, fetched 7 Oct 2026.

Fishing

Michigan DNR has stocked Avalon Lake 98 times since 1981. The most recent stocking was 20,398 splake on 22 April 2026. Species stocked: brook trout, brown trout, lake trout, rainbow trout, splake.

98 stockings, 1981 to 2026, log scale

Latest: 22 Apr 2026: 20,398 splake.

22 Apr 2026STOCKED20,398 splake

22 Apr 2026STOCKED252 brook trout

18 Apr 2025STOCKED7,852 splake

18 Apr 2025STOCKED12,044 splake

2 Apr 2024STOCKED13,000 splake

2 Apr 2024STOCKED8,999 splake

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 1990: lake herring. Historic records, not a current survey.

Michigan Fish Atlas.

Water quality

Average water clarity is about 21 ft (Secchi depth 6.2 m, satellite readings 2018–23).

Clarity 20.5 ft of 74 ft

Michigan EGLE satellite clarity, fetched 7 Oct 2026.

Email me about Avalon LakeWhen it is stockedMichigan DNR has stocked Avalon Lake 98 times since 1981, most recently 20,398 splake on 22 April 2026. 1 stocking so far in 2026.When algae is reported or testedMichigan DHHS has no records for this lake yet. We email when the first one is posted.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. It has not happened in 2026.Any lake in Montmorency 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 1 email about Avalon Lake: 22 Apr.

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

Ess Lake51 ft deep · 1.3 mi · Montmorency County

Long Lake84 ft deep · 2.0 mi · Montmorency County

Grass Lake6 ft deep · 3.4 mi · Montmorency County

Sucker Lake28 ft deep · 3.5 mi · Montmorency County

Cranberry Lake20 ft deep · 4.9 mi · Montmorency County

Little Brush Lake19 ft deep · 5.7 mi · Montmorency County

Michigan DNR survey; straight-line miles.

Common questions

How deep is Avalon Lake?

Avalon Lake is 74 feet at its deepest point, measured by Michigan DNR survey. It covers 386 acres.

Is there a public boat launch on Avalon Lake?

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

Is Avalon Lake stocked with fish?

Yes. Michigan DNR has stocked it 98 times since 1981, most recently 20,398 splake on 22 April 2026.

How much of Avalon Lake is deeper than 10 feet?

About 79% of the lake's area is deeper than 10 feet, measured from Michigan DNR depth contours.