Lakes / Kansas / Osage County / Melvern Lake
Melvern Lake, Kansas
6,290 acres
Surface Area
Where It Sits, and How Deep It Goes
Locator - Kansas
38.50 degrees N, 95.79 degrees W - Osage 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 Melvern Lake Stacks Up
- Ranks #9 for surface area among the Kansas lakes counted so far - 6,290 acres.
- The largest lake in Osage County among those counted.
- About 38 miles from Topeka, as the crow flies.
Lakes Nearby
| Lake | County | Distance | Surface Area |
|---|---|---|---|
| Osage City Reservoir | Osage | 8.4 mi | 50 acres |
| Lyon County State Lake | Lyon | 15 mi | 132 acres |
| Pomona Lake | Osage | 16 mi | 3,781 acres |
| John Redmond Reservoir | Coffey | 17 mi | 8,246 acres |
| Osage County Lake | Osage | 20 mi | 132 acres |
| Mathias Lake | Coffey | 22 mi | 73 acres |
Straight-line distance between lake centers.
Facts and Figures
Questions About Melvern Lake
How Big Is Melvern Lake?
Melvern Lake covers 6,290 acres in Osage County, Kansas.
What Is the Largest Lake in Osage County?
Melvern Lake is the largest lake in Osage County, at 6,290 acres.
Largest Lakes in Kansas
| # | Lake | County | Surface Area | Max Depth |
|---|---|---|---|---|
| 1 | Milford Lake | Geary | 14,607 acres | - |
| 2 | Tuttle Creek Lake | Pottawatomie | 12,013 acres | - |
| 3 | Perry Lake | Jefferson | 10,769 acres | - |
| 4 | Cheney Reservoir | Reno | 9,765 acres | - |
| 5 | Waconda Lake | Mitchell | 9,339 acres | - |
All 132 Kansas 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 167439065). Verified October 30, 2026.