Lakes / Texas / Williamson County / Muir Lake
Muir Lake, Texas
29.65 acres
Surface Area
Where It Sits, and How Deep It Goes
Locator - Texas
30.49 degrees N, 97.81 degrees W - Williamson 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 Muir Lake Stacks Up
- Larger than 13% of the 1,641 lakes counted in Texas.
- About 16 miles from Austin, as the crow flies.
Lakes Nearby
| Lake | County | Distance | Surface Area |
|---|---|---|---|
| Lake Will Wilson | Williamson | 2.8 mi | 48.19 acres |
| Ganzert Lake | Williamson | 3.9 mi | 33.05 acres |
| Soil Conservation Service Site 3 Reservoir | Williamson | 4.9 mi | 47.69 acres |
| Soil Conservation Service Site 13a Reservoir | Williamson | 5.3 mi | 29.41 acres |
| Soil Conservation Service Site 1 Reservoir | Williamson | 8.1 mi | 34.59 acres |
| Soil Conservation Service Site 14 Reservoir | Williamson | 9.9 mi | 79.57 acres |
Straight-line distance between lake centers.
Facts and Figures
Questions About Muir Lake
How Big Is Muir Lake?
Muir Lake covers 29.65 acres in Williamson County, Texas.
What Is the Largest Lake in Williamson County?
Granger Lake is the largest lake in Williamson County, at 4,400 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 96302714). Verified October 30, 2026.