Lakes / Iowa / Adair County / Greenfield Lake
Greenfield Lake, Iowa
27 acres
Surface Area
Where It Sits, and How Deep It Goes
Locator - Iowa
41.30 degrees N, 94.48 degrees W - Adair 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 Greenfield Lake Stacks Up
- Larger than 5% of the 220 lakes counted in Iowa.
- About 49 miles from Des Moines, as the crow flies.
Lakes Nearby
| Lake | County | Distance | Surface Area |
|---|---|---|---|
| Nodaway Lake | Adair | 1.0 mi | 26 acres |
| Meadow Lake | Adair | 6.5 mi | 36 acres |
| Green Valley Lake | Union | 14 mi | 330 acres |
| Summit Lake | Union | 17 mi | 105 acres |
| Lake Anita | Cass | 18 mi | 154 acres |
| Twelve Mile Lake | Union | 19 mi | 644 acres |
Straight-line distance between lake centers.
Facts and Figures
Questions About Greenfield Lake
How Big Is Greenfield Lake?
Greenfield Lake covers 27 acres in Adair County, Iowa.
What Is the Largest Lake in Adair County?
Meadow Lake is the largest lake in Adair County, at 36 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 154664683). Verified October 30, 2026.