How deep is Hart Lake?

Hart Lake is more than 29 feet deep. The deepest contour in the Michigan DNR Inland Lake Contours survey is the 29 foot line, and the lake continues deeper inside it, with 13 depth bands mapped in total.

Where is the deepest part of Hart Lake?

The deepest surveyed water on Hart Lake sits toward the northwestern corner of the lake, inside the 29 ft contour. The interactive depth map above shows the full basin outline and the breaks leading into it.

How accurate is this Hart Lake depth map?

The contours come from the Michigan DNR Inland Lake Contours survey. Depths change over time with water levels and sediment, so treat this map as a planning guide for fishing, and never use it for navigation.

Michigan lake depth maps

Hart Lake depth map

Hart Lake in Oceana County, Michigan reaches a depth of more than 29 feet at its deepest surveyed contour. The official Michigan survey maps 13 depth bands across 30 contour lines. This free map of Hart Lake shows every surveyed contour as an interactive depth chart you can use to plan a session before you travel.

Hart Lake depth chart: 13 depth bands to 29+ ft

Data: Michigan DNR Inland Lake Contours (public record), retrieved August 2026 · depths change over time · not for navigation

Hart Lake depth chart data
Depth contour	Share of mapped area inside it
5 ft	about 9%
20 ft	about 1%
25 ft	under 1%

Share of the surveyed surface area enclosed by each depth contour, computed from the Michigan DNR Inland Lake Contours data.

How to fish Hart Lake: shallow, weed-oriented water

Topping out around 29 feet, this is a shallow fishery where weed growth, not depth, structures the water. The contours still matter: the deepest hole concentrates fish in high summer and under ice, and subtle one-band depressions are the spots most anglers row straight past. In winter, shallow lakes like this are often first to make safe ice, and the deepest mapped hole is the classic starting point.

Ice fishing on Hart Lake

Shallow lakes like Hart Lake are usually among the first to make safe, fishable ice. The deepest mapped hole is the classic starting point because it concentrates fish once weed beds die back, and the subtle depressions on the map above are the spots most anglers walk straight past. Always verify ice thickness locally before walking out.

Hart Lake depth map FAQs

How deep is Hart Lake?: Hart Lake is more than 29 feet deep. The deepest contour in the Michigan DNR Inland Lake Contours survey is the 29 foot line, and the lake continues deeper inside it, with 13 depth bands mapped in total.
Where is the deepest part of Hart Lake?: The deepest surveyed water on Hart Lake sits toward the northwestern corner of the lake, inside the 29 ft contour. The interactive depth map above shows the full basin outline and the breaks leading into it.
How accurate is this Hart Lake depth map?: The contours come from the Michigan DNR Inland Lake Contours survey. Depths change over time with water levels and sediment, so treat this map as a planning guide for fishing, and never use it for navigation.

Depth maps for lakes near Hart Lake

McLaren Lake depth map · 70+ ft max · 16 mi away
Hamlin Lake depth map · 65+ ft max · 24 mi away
Woodland Lake depth map · 51+ ft max · 25 mi away
Ford Lake depth map · 84 ft max · 26 mi away
Fremont Lake depth map · 88+ ft max · 26 mi away

Mapped fishing venues near Hart Lake

Hart Lake in the venue directory covers access and fishing details for this water.

McLaren Lake · 16 mi away
Vigil Cove · 20 mi away
Maple Leaf Fishing Access Site · 21 mi away

Fishing in Michigan needs a state license: Michigan fishing license guide · all Michigan venues