Lakes / Iowa / Decatur County / Lake LaShane
Lake LaShane, Iowa
99 acres
Surface Area
Where It Sits, and How Deep It Goes
Locator - Iowa
40.63 degrees N, 93.97 degrees W - Decatur County. State and county outlines drawn from Census boundary data; the lake marker is placed by its USGS National Hydrography Dataset coordinates, not by eye. Schematic - not a survey map.
How Lake LaShane Stacks Up
- Larger than 52% of the 220 lakes counted in Iowa.
- The largest lake in Decatur County among those counted.
- About 68 miles from Des Moines, as the crow flies.
Lakes Nearby
| Lake | County | Distance | Surface Area |
|---|---|---|---|
| Home Lake | Decatur | 1.3 mi | 27 acres |
| Nine Eagles Lake | Decatur | 11 mi | 60 acres |
| Sun Valley Lake | Ringgold | 16 mi | 398 acres |
| Loch Ayr | Ringgold | 16 mi | 79 acres |
| Walnut Creek Lake | Ringgold | 19 mi | 42 acres |
| Grade Lake | Clarke | 29 mi | 25 acres |
Straight-line distance between lake centers.
Facts and Figures
Questions About Lake LaShane
How Big Is Lake LaShane?
Lake LaShane covers 99 acres in Decatur County, Iowa.
What Is the Largest Lake in Decatur County?
Lake LaShane is the largest lake in Decatur County, at 99 acres.
Largest Lakes in Iowa
| # | Lake | County | Surface Area | Max Depth |
|---|---|---|---|---|
| 1 | Rathbun Lake | Appanoose | 13,869 acres | - |
| 2 | Lake Red Rock | Marion | 8,619 acres | - |
| 3 | Spirit Lake | Dickinson | 5,463 acres | - |
| 4 | Saylorville Lake | Polk | 5,428 acres | - |
| 5 | Clear Lake | Cerro Gordo | 3,632 acres | - |
All 220 Iowa lakes ranked by surface area
Sources: USGS NHD (The National Map NHD MapServer layer 12) named waterbodies FTYPE 390/436; counties via Census point-in-polygon lake data (ID 70916020). Verified October 30, 2026.