How deep is Osterhout Lake?

Osterhout Lake is more than 30 feet deep. The deepest contour in the Michigan DNR Inland Lake Contours survey is the 30 foot line, and the lake continues deeper inside it, with 10 depth bands mapped in total.

Where is the deepest part of Osterhout Lake?

The deepest surveyed water on Osterhout Lake sits toward the northeastern corner of the lake, inside the 30 ft contour. The interactive depth map above shows the full basin outline and the breaks leading into it.

How accurate is this Osterhout 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

Osterhout Lake depth map

Osterhout Lake in Allegan County, Michigan reaches a depth of more than 30 feet at its deepest surveyed contour. The official Michigan survey maps 10 depth bands across 19 contour lines. This free map of Osterhout Lake shows every surveyed contour as an interactive depth chart you can use to plan a session before you travel.

Osterhout Lake depth chart: 10 depth bands to 30+ ft

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

Osterhout Lake depth chart data
Depth contour	Share of mapped area inside it
5 ft	about 100%
10 ft	about 7%
15 ft	about 3%
20 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 Osterhout Lake: mid-depth structure water

With 30 feet at its deepest, the fish-holding structure is the mid-depth contour: drop-offs, points and inside turns between the shallows and the basin. Use the 10 mapped depth bands to find where contour lines pinch together, which marks the sharpest breaks, and work those edges first, especially early season and again in the fall as fish follow bait between depths.

Ice fishing on Osterhout Lake

Osterhout Lake is a classic ice-fishing depth: enough water to hold fish all winter without the long freeze-up of a deep basin. Start on the deepest mapped hole at first light, then work the breaks where contour lines tighten. Mid-depth flats near the basin edge produce through midday. Always verify ice thickness locally before walking out.

Osterhout Lake depth map FAQs

How deep is Osterhout Lake?: Osterhout Lake is more than 30 feet deep. The deepest contour in the Michigan DNR Inland Lake Contours survey is the 30 foot line, and the lake continues deeper inside it, with 10 depth bands mapped in total.
Where is the deepest part of Osterhout Lake?: The deepest surveyed water on Osterhout Lake sits toward the northeastern corner of the lake, inside the 30 ft contour. The interactive depth map above shows the full basin outline and the breaks leading into it.
How accurate is this Osterhout 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 Osterhout Lake

Shafer Lake depth map · 70+ ft max · 17 mi away
Christie Lake depth map · 48+ ft max · 18 mi away
Eagle Lake depth map · 60+ ft max · 19 mi away
Paw Paw Lake depth map · 90+ ft max · 20 mi away
Lake Sixteen depth map · 80+ ft max · 23 mi away

Mapped fishing venues near Osterhout Lake

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

Frog pond · 13 mi away
Big Dipper · 13 mi away
Little Dipper · 13 mi away

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