Lakes / Maryland / Montgomery County / Dalecarlia Reservoir
Dalecarlia Reservoir, Maryland
41 acres
Surface Area
Where It Sits, and How Deep It Goes
Locator - Maryland
38.94 degrees N, 77.11 degrees W - Montgomery 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 Dalecarlia Reservoir Stacks Up
- Larger than 33% of the 78 lakes counted in Maryland.
- About 33 miles from Annapolis, as the crow flies.
Lakes Nearby
| Lake | County | Distance | Surface Area |
|---|---|---|---|
| Lake Artemesia | Prince George's | 11 mi | 35 acres |
| Lake Bernard Frank | Montgomery | 11 mi | 52 acres |
| Clopper Lake | Montgomery | 16 mi | 54 acres |
| Lake Whetstone | Montgomery | 16 mi | 29 acres |
| Rocky Gorge Reservoir | Montgomery | 17 mi | 655 acres |
| Redington Lake | Prince George's | 18 mi | 27 acres |
Straight-line distance between lake centers.
Facts and Figures
Questions About Dalecarlia Reservoir
How Big Is Dalecarlia Reservoir?
Dalecarlia Reservoir covers 41 acres in Montgomery County, Maryland.
What Is the Largest Lake in Montgomery County?
Triadelphia Reservoir is the largest lake in Montgomery County, at 794 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 51772097). Verified October 30, 2026.