Lakes / Missouri / Benton County / Harry S Truman Reservoir
Harry S Truman Reservoir, Missouri
49,365.93 acres
Surface Area
Where It Sits, and How Deep It Goes
Locator - Missouri
38.19 degrees N, 93.51 degrees W - Benton 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 Harry S Truman Reservoir Stacks Up
- Ranks #2 for surface area among the Missouri lakes counted so far - 49,365.93 acres.
- The largest lake in Benton County among those counted.
- About 69 miles from Springfield, as the crow flies.
Lakes Nearby
| Lake | County | Distance | Surface Area |
|---|---|---|---|
| Junges Lake | Benton | 19 mi | 37.31 acres |
| Number 111 Lake | Henry | 21 mi | 249.33 acres |
| Number 131 Reservoir | Henry | 24 mi | 38.8 acres |
| Number 15 Dam | Hickory | 24 mi | 49.67 acres |
| Pomme de Terre Lake | Hickory | 25 mi | 7,667.43 acres |
| Spring Fork Lake | Pettis | 30 mi | 113.79 acres |
Straight-line distance between lake centers.
Facts and Figures
Largest Lakes in Missouri
| # | Lake | County | Surface Area | Max Depth |
|---|---|---|---|---|
| 1 | Lake of the Ozarks | Camden | 51,171.75 acres | - |
| 2 | Harry S Truman Reservoir | Benton | 49,365.93 acres | - |
| 3 | Table Rock Lake | Stone | 41,777.86 acres | - |
| 4 | Stockton Lake | Cedar | 24,962.34 acres | - |
| 5 | Mark Twain Lake | Ralls | 18,362.33 acres | - |
All 352 Missouri lakes ranked by surface area
Sources: USGS National Hydrography Dataset (The National Map) lake data (ID 120031146). Verified October 30, 2026.