Lakes / Maryland / Baltimore County
Lakes in Baltimore County, Maryland
6 lakes counted in Baltimore County - the largest is Loch Raven Reservoir at 2,200 acres.
6
Lakes Counted
2,200 acres
Largest - Loch Raven Reservoir
Baltimore County, highlighted, with its largest counted lakes dotted. Outlines from Census boundary data.
All Counted Lakes
| # | Lake | County | Surface Area | Max Depth |
|---|---|---|---|---|
| 1 | Loch Raven Reservoir | Baltimore | 2,200 acres | - |
| 2 | Prettyboy Reservoir | Baltimore | 1,508 acres | - |
| 3 | Lake Roland | Baltimore | 98 acres | - |
| 4 | Lake Montebello | Baltimore | 56 acres | - |
| 5 | Druid Lake | Baltimore | 51 acres | - |
| 6 | Lake Ashburton | Baltimore | 25 acres | - |
Sources: USGS National Hydrography Dataset lake data; USGS. Verified October 30, 2026.