How deep is Big Fish Lake?

Big Fish Lake 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, with 8 depth bands mapped in total.

Where is the deepest part of Big Fish Lake?

The deepest surveyed water on Big Fish Lake sits toward the western side of the lake, inside the 60 ft contour. The interactive depth map above shows the full basin outline and the breaks leading into it.

How accurate is this Big Fish 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

Big Fish Lake depth map

Big Fish Lake in Lapeer County, Michigan reaches a depth of more than 60 feet at its deepest surveyed contour. The official Michigan survey maps 8 depth bands across 12 contour lines. This free map of Big Fish Lake shows every surveyed contour as an interactive depth chart you can use to plan a session before you travel.

Big Fish Lake depth chart: 8 depth bands to 60+ ft

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

Big Fish Lake depth chart data
Depth contour	Share of mapped area inside it
5 ft	about 100%
10 ft	about 34%
15 ft	about 25%
20 ft	about 17%
30 ft	about 11%
40 ft	about 8%
50 ft	about 4%
60 ft	about 1%

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

How to fish Big Fish Lake: deep, two-story water

At 60 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 8 mapped depth bands make it straightforward to find those breaks before you launch.

Ice fishing on Big Fish Lake

On deep water like Big Fish 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.

Big Fish Lake depth map FAQs

How deep is Big Fish Lake?: Big Fish Lake 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, with 8 depth bands mapped in total.
Where is the deepest part of Big Fish Lake?: The deepest surveyed water on Big Fish Lake sits toward the western side of the lake, inside the 60 ft contour. The interactive depth map above shows the full basin outline and the breaks leading into it.
How accurate is this Big Fish 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 Big Fish Lake

Lake Orion depth map · 80 ft max · 10 mi away
Deer Lake depth map · 63+ ft max · 11 mi away
Lakeville Lake depth map · 66 ft max · 13 mi away
Maceday Lake depth map · 117 ft max · 13 mi away
Loon Lake depth map · 73 ft max · 14 mi away

Mapped fishing venues near Big Fish Lake

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

Lake Orion · 10 mi away
Deer Lake · 11 mi away
Lakeville Lake · 13 mi away

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