Michigan lake depth maps

Chicagon Lake depth map

Chicagon Lake in Iron County, Michigan reaches a depth of more than 110 feet at its deepest surveyed contour. The official Michigan survey maps 12 depth bands across 20 contour lines. This free map of Chicagon Lake shows every surveyed contour as an interactive depth chart you can use to plan a session before you travel.

Chicagon Lake depth chart: 12 depth bands to 110+ ft

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

Chicagon Lake depth chart data
Depth contourShare of mapped area inside it
5 ftabout 100%
10 ftabout 74%
20 ftabout 58%
30 ftabout 48%
40 ftabout 39%
50 ftabout 31%
60 ftabout 24%
70 ftabout 18%
80 ftabout 13%
90 ftabout 8%
100 ftabout 3%
110 ftunder 1%

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

How to fish Chicagon Lake: deep, two-story water

At 110 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 12 mapped depth bands make it straightforward to find those breaks before you launch.

Ice fishing on Chicagon Lake

On deep water like Chicagon 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.

Chicagon Lake depth map FAQs

How deep is Chicagon Lake?
Chicagon Lake is more than 110 feet deep. The deepest contour in the Michigan DNR Inland Lake Contours survey is the 110 foot line, and the lake continues deeper inside it, with 12 depth bands mapped in total.
Where is the deepest part of Chicagon Lake?
The deepest surveyed water on Chicagon Lake sits toward the eastern side of the lake, inside the 110 ft contour. The interactive depth map above shows the full basin outline and the breaks leading into it.
How accurate is this Chicagon 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 Chicagon Lake

Mapped fishing venues near Chicagon Lake

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

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