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Michigan lake depth maps

Lake Chemung depth map

Lake Chemung in Livingston County, Michigan reaches a depth of more than 60 feet at its deepest surveyed contour. Lake Chemung is charted here across 6 closed depth contours, from the 10 ft line down to 60 ft, enclosing about 238 acres of water. Half of that water lies inside the 40 ft line, and only 40 acres lie inside the deepest one. Every contour is on the interactive map below, free and without an account.

Data: Michigan DNR Inland Lake Contours (public record). Contours closed, checked and area-computed by Jordan Carter, founder of GilledIt · page updated

Lake Chemung depth chart: 6 depth contours from 10 to 60 ft

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

Lake Chemung depth chart data: water enclosed by each contour
Depth contourWater inside itShare of mapped water
10 ft238 acres100%
20 ft210 acres88%
30 ft143 acres60%
40 ft100 acres42%
50 ft73 acres31%
60 ft40 acres17%

Acreages are computed from the closed Michigan DNR Inland Lake Contours contour rings, with islands subtracted. Shares are of the 238 acres inside the outermost charted contour (the 10 ft line), which is the outer edge of the mapped water, several state files carry no 0 ft shoreline line, so this is not the same as a share of the lake's published surface area.

Fishing Lake Chemung: steep walls and a big basin

The survey encloses about 238 acres of Lake Chemung inside its 10 ft contour, and half of that water lies inside the 40 ft line, so the bottom holds its depth well out from the bank rather than tapering off a long shallow margin. Between 20 and 30 ft the mapped water sheds 67 acres in 10 ft of depth, the sharpest change on the chart, start on that band, because it is where the bottom stops being flat. 40 acres, 17% of the mapped water, lie inside the deepest 60 ft contour, toward the northwestern corner of the lake. At 60 ft this is two-story water: the basin can stay cold below the summer thermocline while warm-water fish stay up on the 10-to-40 ft ground, and the fish that move between the two do it along the 20–30 ft break at first and last light.

Ice fishing on Lake Chemung

Deep water like Lake Chemung freezes later and less evenly than the shallow lakes around it, and the winter bite sets up on the first real break, not out over the 60 ft hole. That edge is the 20–30 ft band on the chart above, where 67 acres of bottom tilt away, and panfish and walleye work up and down it through the day. By late ice the fish push back onto the 10-to-40 ft flat. Check ice thickness locally before you walk out.

Lake Chemung depth map FAQs

How deep is Lake Chemung?
Lake Chemung is more than 60 feet deep. The deepest contour in the Michigan DNR Inland Lake Contours survey is the 60 foot line, and the lake continues deeper inside it.
Where is the deepest part of Lake Chemung?
The deepest charted water on Lake Chemung lies inside the 60 ft contour, toward the northwestern corner of the lake. That contour encloses 40 acres, 17% of the mapped water, so it is a broad slice of the bottom rather than a pinpoint target, the depth chart above gives the contour to line up on.
How much of Lake Chemung is shallower than 40 feet?
About half. The 40 ft contour encloses 100 acres of the roughly 238 acres inside the outer 10 ft line, so the other half of the water is shallower than 40 feet. The sharpest drop is between 20 and 30 feet, where the mapped water sheds 67 acres.
How accurate is this Lake Chemung depth map?
The contours come from the Michigan DNR Inland Lake Contours survey, retrieved August 2026 and last rebuilt on August 19, 2026. 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. Acreages are computed from the published contour geometry, not from a separate area survey, so read them as close approximations.

Depth maps for lakes near Lake Chemung

Mapped fishing venues near Lake Chemung

Lake Chemung 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