Lakes / Iowa / Lee County / Green Bayou
Green Bayou, Iowa
103 acres
Surface Area
Where It Sits, and How Deep It Goes
Locator - Iowa
40.66 degrees N, 91.21 degrees W - Lee 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 Green Bayou Stacks Up
- Larger than 53% of the 220 lakes counted in Iowa.
- The largest lake in Lee County among those counted.
- About 68 miles from Davenport, as the crow flies.
Lakes Nearby
| Lake | County | Distance | Surface Area |
|---|---|---|---|
| Hartman Pond | Des Moines | 5.6 mi | 39 acres |
| Magee Lake | Des Moines | 5.8 mi | 26 acres |
| Round Lake | Des Moines | 6.2 mi | 79 acres |
| Roscum Pond | Des Moines | 6.2 mi | 29 acres |
| Patterson Lake | Des Moines | 6.3 mi | 28 acres |
| Geode Lake | Henry | 15 mi | 192 acres |
Straight-line distance between lake centers.
Facts and Figures
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 152594660). Verified October 30, 2026.