Lakes / Texas / Collin County / South Lake
South Lake, Collin County, Texas
71.66 acres
Surface Area
Where It Sits, and How Deep It Goes
Locator - Texas
33.14 degrees N, 96.35 degrees W - Collin County. State and county outlines drawn from Census boundary data; the lake marker is placed by its Texas Parks and Wildlife Department coordinates, not by eye. Schematic - not a survey map.
How South Lake Stacks Up
- Larger than 60% of the 1,641 lakes counted in Texas.
- About 36 miles from Dallas, as the crow flies.
Lakes Nearby
| Lake | County | Distance | Surface Area |
|---|---|---|---|
| Lavon Lake | Collin | 8.9 mi | 21,400 acres |
| Moores Lake | Collin | 9.7 mi | 35.58 acres |
| McKinney Club Lake | Collin | 11 mi | 187.31 acres |
| Emerson Lake | Collin | 11 mi | 31.63 acres |
| Reservoir Number Eleven | Collin | 13 mi | 42.01 acres |
| Caruth Lake | Rockwall | 15 mi | 62.02 acres |
Straight-line distance between lake centers.
Facts and Figures
Questions About South Lake
How Big Is South Lake?
South Lake covers 71.66 acres in Collin County, Texas.
What Is the Largest Lake in Collin County?
Lavon Lake is the largest lake in Collin County, at 21,400 acres.
Deepest Natural Lakes in Texas
| # | Lake | County | Surface Area | Max Depth |
|---|---|---|---|---|
| 1 | Amistad Reservoir | Val Verde | 64,900 acres | 217 ft |
| 2 | Comanche Creek Reservoir | Pecos | 3,272 acres | 125 ft |
| 3 | Belton Lake | Bell | 12,385 acres | 124 ft |
| 4 | O. H. Ivie Reservoir | Concho | 19,149 acres | 119 ft |
| 5 | Stillhouse Hollow Lake | Bell | 6,429 acres | 107 ft |
All 107 Texas lakes ranked by depth
Largest Lakes in Texas
| # | Lake | County | Surface Area | Max Depth |
|---|---|---|---|---|
| 1 | Toledo Bend Reservoir | Sabine | 181,600 acres | 110 ft |
| 2 | Sam Rayburn Reservoir | San Augustine | 114,500 acres | 80 ft |
| 3 | Lake Livingston | San Jacinto | 90,000 acres | 77 ft |
| 4 | Falcon Reservoir | Zapata | 80,555.4 acres | - |
| 5 | Amistad Reservoir | Val Verde | 64,900 acres | 217 ft |
All 1,641 Texas lakes ranked by surface area
Sources: USGS National Hydrography Dataset (The National Map) lake data (ID 120846710). Verified October 30, 2026.