Lakes / North Dakota / Sweet Briar Lake
Sweet Briar Lake, North Dakota
278 acres
Surface Area
29.9 ft
Max Depth
10 ft
Average Depth
10.5 mi
Shoreline
1,940 ft
Surface Elevation
Where It Sits, and How Deep It Goes
Locator - North Dakota
46.87 degrees N, 101.27 degrees W - Morton County. State and county outlines drawn from Census boundary data; the lake marker is placed by its North Dakota Game and Fish coordinates, not by eye. Schematic - not a survey map.
Depth Profile - Sweet Briar Lake
Schematic cross-section drawn to one shared depth scale - not a survey or bathymetric map.
How Sweet Briar Lake Stacks Up
- The largest lake in Morton County among those counted.
- About 23 miles from Bismarck, as the crow flies.
- 8 fish species on the NDGF list for this lake.
Fish Species
WalleyeYellow PerchBlack CrappieBluegillNorthern PikeBlack BullheadCommon CarpChannel Catfish
Species recorded for this lake. Presence only - no abundance ratings.
Facts and Figures
Waterbody ID135580310
CountyMorton
Coordinates46.8698, -101.2710
Deepest Natural Lakes in North Dakota
| # | Lake | County | Surface Area | Max Depth |
|---|---|---|---|---|
| 1 | Stump Lake | Nelson | 17,681 acres | 77.1 ft |
| 2 | Devils Lake | Ramsey | 110,763 acres | 58.1 ft |
| 3 | Free Peoples Lake | Benson | 891 acres | 55.3 ft |
| 4 | Spiritwood Lake | Stutsman | 493 acres | 54.7 ft |
| 5 | Moon Lake | Barnes | 115 acres | 54.3 ft |
Largest Lakes in North Dakota
| # | Lake | County | Surface Area | Max Depth |
|---|---|---|---|---|
| 1 | Lake Sakakawea | McLean | 350,520 acres | 180 ft |
| 2 | Lake Oahe | Emmons | 309,912.6 acres | 200 ft |
| 3 | Devils Lake | Ramsey | 110,763 acres | 58.1 ft |
| 4 | Stump Lake | Nelson | 17,681 acres | 77.1 ft |
| 5 | Long Lake | Burleigh | 16,934 acres | - |
Sources: North Dakota Game and Fish lake data (ID 135580310); USGS EPQS. Verified October 30, 2026.