Lakes / Oklahoma / Jefferson County / Japanese Beaver Lake Dam
Japanese Beaver Lake Dam, Oklahoma
40.08 acres
Surface Area
Where It Sits, and How Deep It Goes
Locator - Oklahoma
34.18 degrees N, 98.06 degrees W - Jefferson 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 Japanese Beaver Lake Dam Stacks Up
- Larger than 36% of the 376 lakes counted in Oklahoma.
- About 35 miles from Lawton, as the crow flies.
Lakes Nearby
| Lake | County | Distance | Surface Area |
|---|---|---|---|
| Waurika Lake | Jefferson | 7.2 mi | 10,111.61 acres |
| Temple Lake | Cotton | 13 mi | 36.96 acres |
| Comanche Lake | Stephens | 16 mi | 196.7 acres |
| Oknoname 137093 Reservoir | Stephens | 20 mi | 44.23 acres |
| Oknoname 067014 Reservoir | Jefferson | 20 mi | 30.15 acres |
| Walters Lake | Cotton | 21 mi | 121.46 acres |
Straight-line distance between lake centers.
Facts and Figures
Questions About Japanese Beaver Lake Dam
How Big Is Japanese Beaver Lake Dam?
Japanese Beaver Lake Dam covers 40.08 acres in Jefferson County, Oklahoma.
What Is the Largest Lake in Jefferson County?
Waurika Lake is the largest lake in Jefferson County, at 10,111.61 acres.
Largest Lakes in Oklahoma
| # | Lake | County | Surface Area | Max Depth |
|---|---|---|---|---|
| 1 | Eufaula Lake | Pittsburg | 100,734.12 acres | - |
| 2 | Lake Texoma | Marshall | 59,414.43 acres | - |
| 3 | Grand Lake O' The Cherokees | Delaware | 38,902.36 acres | - |
| 4 | Robert S Kerr Reservoir | Haskell | 35,795.91 acres | - |
| 5 | Oologah Lake | Rogers | 29,728.7 acres | - |
All 376 Oklahoma lakes ranked by surface area
Sources: USGS National Hydrography Dataset (The National Map) lake data (ID 145268535). Verified October 30, 2026.