Lakes / Missouri / Reynolds County / Upper Reservoir
Upper Reservoir, Missouri
54.36 acres
Surface Area
Where It Sits, and How Deep It Goes
Locator - Missouri
37.54 degrees N, 90.82 degrees W - Reynolds 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 Upper Reservoir Stacks Up
- Larger than 51% of the 352 lakes counted in Missouri.
- About 83 miles from St. Louis, as the crow flies.
Lakes Nearby
| Lake | County | Distance | Surface Area |
|---|---|---|---|
| Lower Reservoir | Reynolds | 2.6 mi | 143.32 acres |
| Asarco Lake | Iron | 7.9 mi | 25.21 acres |
| Snow Hollow Lake | Iron | 9.5 mi | 30.39 acres |
| Crane Lake | Iron | 13 mi | 85.23 acres |
| Council Bluff Lake | Iron | 14 mi | 439.01 acres |
| Lake Killarney | Iron | 14 mi | 61.04 acres |
Straight-line distance between lake centers.
Facts and Figures
Questions About Upper Reservoir
How Big Is Upper Reservoir?
Upper Reservoir covers 54.36 acres in Reynolds County, Missouri.
What Is the Largest Lake in Reynolds County?
Clearwater Lake is the largest lake in Reynolds County, at 1,634.85 acres.
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 62053570). Verified October 30, 2026.