Lakes / Maryland / Washington County / Greenbriar Lake
Greenbriar Lake, Maryland
27 acres
Surface Area
Where It Sits, and How Deep It Goes
Locator - Maryland
39.54 degrees N, 77.62 degrees W - Washington 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 Greenbriar Lake Stacks Up
- Larger than 8% of the 78 lakes counted in Maryland.
- About 14 miles from Frederick, as the crow flies.
Lakes Nearby
| Lake | County | Distance | Surface Area |
|---|---|---|---|
| Hunting Creek Lake | Frederick | 10 mi | 41 acres |
| Blairs Valley Lake | Washington | 20 mi | 26 acres |
| Big Pool | Washington | 22 mi | 93 acres |
| Little Seneca Lake | Montgomery | 29 mi | 480 acres |
| Clopper Lake | Montgomery | 34 mi | 54 acres |
| Lake Whetstone | Montgomery | 34 mi | 29 acres |
Straight-line distance between lake centers.
Facts and Figures
Questions About Greenbriar Lake
How Big Is Greenbriar Lake?
Greenbriar Lake covers 27 acres in Washington County, Maryland.
What Is the Largest Lake in Washington County?
Big Pool is the largest lake in Washington County, at 93 acres.
Largest Lakes in Maryland
| # | Lake | County | Surface Area | Max Depth |
|---|---|---|---|---|
| 1 | Deep Creek Lake | Garrett | 3,679 acres | - |
| 2 | Liberty Lake | Carroll | 2,920 acres | - |
| 3 | Loch Raven Reservoir | Baltimore | 2,200 acres | - |
| 4 | Prettyboy Reservoir | Baltimore | 1,508 acres | - |
| 5 | Triadelphia Reservoir | Montgomery | 794 acres | - |
All 78 Maryland 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 49500966). Verified October 30, 2026.