How deep is North Lake?

North Lake is more than 92 feet deep. The deepest contour in the Michigan DNR Inland Lake Contours survey is the 92 foot line, and the lake continues deeper inside it, with 18 depth bands mapped in total.

Where is the deepest part of North Lake?

The deepest surveyed water on North Lake sits toward the northern end of the lake, inside the 92 ft contour. The interactive depth map above shows the full basin outline and the breaks leading into it.

How accurate is this North 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

North Lake depth map

North Lake in Alcona County, Michigan reaches a depth of more than 92 feet at its deepest surveyed contour. The official Michigan survey maps 18 depth bands across 36 contour lines. This free map of North Lake shows every surveyed contour as an interactive depth chart you can use to plan a session before you travel.

North Lake depth chart: 18 depth bands to 92+ ft

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

North Lake depth chart data
Depth contour	Share of mapped area inside it
5 ft	about 100%
10 ft	about 40%
15 ft	about 34%
20 ft	about 28%
30 ft	about 16%
40 ft	about 9%
50 ft	about 5%
60 ft	about 3%
70 ft	about 1%
90 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 North Lake: deep, two-story water

At 92 feet, this is a two-story fishery: warm-water species work the shallows and weed edges while the deep basin can hold cold-water fish below the summer thermocline. In summer, target the transition where the bottom breaks from the shallow shelf toward the basin; fish suspend along that edge at dawn and dusk. The 18 mapped depth bands make it straightforward to find those breaks before you launch.

Ice fishing on North Lake

On deep water like North Lake, the winter bite concentrates along the first major drop-off rather than the deepest basin. Use the contours above to find where the shallow shelf breaks toward deep water and set up on that edge; panfish and walleye slide up and down it through the day. Late ice often pushes fish shallower again. Always verify ice thickness locally before walking out, and remember deep lakes freeze later and less evenly than shallow ones.

North Lake depth map FAQs

How deep is North Lake?: North Lake is more than 92 feet deep. The deepest contour in the Michigan DNR Inland Lake Contours survey is the 92 foot line, and the lake continues deeper inside it, with 18 depth bands mapped in total.
Where is the deepest part of North Lake?: The deepest surveyed water on North Lake sits toward the northern end of the lake, inside the 92 ft contour. The interactive depth map above shows the full basin outline and the breaks leading into it.
How accurate is this North 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 North Lake

Hunters Lake depth map · 82 ft max · 1 mi away
Loon Lake depth map · 128+ ft max · 13 mi away
Long Lake depth map · 62 ft max · 13 mi away
McCollum Lake depth map · 60 ft max · 17 mi away
Rifle Lake depth map · 70+ ft max · 18 mi away

Mapped fishing venues near North Lake

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

Hunters Lake · 1 mi away
Loon Lake · 13 mi away
Long Lake · 13 mi away

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