Lakes / Texas / Matagorda County / Lake Austin
Lake Austin, Matagorda County, Texas
1,599 acres
Surface Area
75 ft
Max Depth
Where It Sits, and How Deep It Goes
Locator - Texas
28.79 degrees N, 95.79 degrees W - Matagorda 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.
Depth Profile - Lake Austin
Schematic cross-section drawn to one shared depth scale - not a survey or bathymetric map.
How Lake Austin Stacks Up
- Larger than 93% of the 1,641 lakes counted in Texas.
- About 72 miles from Houston, as the crow flies.
Lakes Nearby
| Lake | County | Distance | Surface Area |
|---|---|---|---|
| Pelton Lake | Matagorda | 2.7 mi | 128.25 acres |
| Lake Kilbride | Matagorda | 3.2 mi | 149.99 acres |
| Boggy Lake | Matagorda | 4.0 mi | 52.14 acres |
| East Reservoir | Matagorda | 6.2 mi | 32.87 acres |
| Mine Lake | Matagorda | 7.4 mi | 102.05 acres |
| Horseshoe Lake | Matagorda | 7.9 mi | 50.16 acres |
Straight-line distance between lake centers.
Facts and Figures
Questions About Lake Austin
How Big Is Lake Austin?
Lake Austin covers 1,599 acres in Matagorda County, Texas.
How Deep Is Lake Austin?
Lake Austin reaches 75 ft at its deepest.
What Is the Largest Lake in Matagorda County?
Cooling Water Reservoir is the largest lake in Matagorda County, at 6,958.49 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: Texas Parks & Wildlife lake data (ID 110434680). Verified October 30, 2026.