How deep is Oliver Lake?

Oliver Lake reaches a maximum depth of 80 feet, according to the Indiana DNR Lake Bathymetry survey. Most of the lake is shallower, with 8 mapped depth bands between the shoreline and the deepest hole.

Where is the deepest part of Oliver Lake?

The deepest surveyed water on Oliver Lake sits toward the middle of the lake, inside the 80 ft contour. The interactive depth map above shows the full basin outline and the breaks leading into it.

How accurate is this Oliver Lake depth map?

The contours come from the Indiana DNR Lake Bathymetry 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. Per Indiana DNR, the data are graphical representations for reference only, not a survey instrument.

Indiana lake depth maps

Oliver Lake depth map

Oliver Lake in LAGRANGE County, Indiana reaches a depth of 80 feet. The official Indiana survey maps 8 depth bands across 26 contour lines. This free map of Oliver Lake shows every surveyed contour as an interactive depth chart you can use to plan a session before you travel.

Oliver Lake depth chart: 8 depth bands to 80 ft

Data: Indiana DNR Lake Bathymetry (credit: Indiana DNR), retrieved August 2026 · depths change over time · not for navigation

Oliver Lake depth chart data
Depth contour	Share of mapped area inside it
10 ft	about 100%
20 ft	about 95%
30 ft	about 87%
40 ft	about 74%
50 ft	about 60%
60 ft	about 50%
70 ft	about 41%
80 ft	about 13%

Share of the surveyed surface area enclosed by each depth contour, computed from the Indiana DNR Lake Bathymetry data.

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

At 80 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 Oliver Lake

On deep water like Oliver 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.

Oliver Lake depth map FAQs

How deep is Oliver Lake?: Oliver Lake reaches a maximum depth of 80 feet, according to the Indiana DNR Lake Bathymetry survey. Most of the lake is shallower, with 8 mapped depth bands between the shoreline and the deepest hole.
Where is the deepest part of Oliver Lake?: The deepest surveyed water on Oliver Lake sits toward the middle of the lake, inside the 80 ft contour. The interactive depth map above shows the full basin outline and the breaks leading into it.
How accurate is this Oliver Lake depth map?: The contours come from the Indiana DNR Lake Bathymetry 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. Per Indiana DNR, the data are graphical representations for reference only, not a survey instrument.

Depth maps for lakes near Oliver Lake

Olin Lake depth map · 70 ft max · 1 mi away
Martin Lake depth map · 50 ft max · 1 mi away
Hackleburg Lake depth map · 35 ft max · 2 mi away
Dallas Lake depth map · 100 ft max · 2 mi away
Witmer Lake depth map · 50 ft max · 3 mi away

Mapped fishing venues near Oliver Lake

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

Olin Lake · 1 mi away
Martin Lake · 1 mi away
Hackleburg Lake · 2 mi away

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