Deepest lakes & reservoirs in Hill Country by maximum depth (ft)
The estimated greatest depth of the water in a lake can be measured at the lake’s normal elevation. If the water volume and surface area of a lake are known, an estimate of the lake’s average depth can be calculated:Water volume ÷ Surface Area = Average Depth
Example: 1,000,000 acre-feet ÷ 20,000 acres = 50 feet average depth.
You can find many of the the world’s deepest lakes on LakeLubbers. If you sort the list, you will find the (maximum depth of) the shallowest lakes in our database. Note: For some lakes, lake depth data is unknown, so this table may display fewer lakes than the total 14 articles we have published for Hill Country lakes.
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Below are lakes within USA > Southwest > Texas > Hill Country > Compared by maximum depth in feet. This list does not represent all lakes in Hill Country, only the 14 Hill Country lake articles we have published on the LakeLubbers website.
Lake name  |
Max depth in feet |
Lake description |
|---|---|---|
| Lake Travis (Hill Country, Southwest, Texas, USA) |
210 ft | Lake Travis is a beautiful 18,930 acre reservoir in the Hill Country of central Texas, about 12 miles northwest of Austin. It is over 63 miles long wi… |
| Lake Amistad (Hill Country, Mexico, North Mexico, Southwest, Texas, USA) |
200 ft | Also known as International Amistad Reservoir The Spanish word “Amistad” translates to “Friendship” in English … little wonder, then, that west Texas’ Lake Amistad is one of the Lone Star State’… |
| Medina Lake (Hill Country, Southwest, Texas, USA) |
152 ft | Also known as Lake Medina Located in Texas Hill Country, Medina Lake is 40 miles northwest of San Antonio in Bandera and Medina Counties. Controlled by the Bexar-Medina-Atascos… |
| Lake Buchanan (Hill Country, Southwest, Texas, USA) |
132 ft | Also known as "Big Buc" Lake Buchanan, the oldest and northernmost of the Highland Lakes, is known as “Big Buc” to the locals and anglers who regularly visit the area. It is… |
| Canyon Lake TX (Hill Country, Southwest, Texas, USA) |
125 ft | Canyon Lake, with a maximum depth of 125 feet, is one of the deepest and most scenic lakes in Texas. Canyon Lake, formerly known as Canyon Reservoir,… |
| O. H. Ivie Lake (Hill Country, Southwest, Texas, USA) |
119 ft | Also known as Lake Ivie, Stacy Reservoir On a hot summer day in the northern Hill Country region of Texas, Lake Ivie is an ideal place to be. Officially named O.H.Ivie Reservoir, the waters a… |
| Lake Lyndon B. Johnson (Hill Country, Southwest, Texas, USA) |
90 ft | Also known as Lake LBJ Lake Lyndon B. Johnson, also called Lake LBJ, is a 6,449 acre lake located in Llano and Burnet counties of the Texas Hill Country. The third of seven… |
| Georgetown Lake (Hill Country, Prairies and Lakes, Southwest, Texas, USA) |
85 ft | Also known as Lake Georgetown, Georgetown Reservoir A perfect example of an engineered water supply, Georgetown Lake covers nearly 1,300 acres along the North Fork of the San Gabriel River. Part of the… |
| Lake Austin (Hill Country, Southwest, Texas, USA) |
75 ft | Scenic Lake Austin snakes its way through the Austin Hill Country on the Colorado River in Central Texas. It is the sixth lake down the chain of the H… |
| Inks Lake (Hill Country, Southwest, Texas, USA) |
60 ft | Inks Lake is located about an hour northwest of Austin in the picturesque Texas Hill Country. Measuring just 4.2 miles long and 3000 feet at its wides… |
| Lake Marble Falls (Hill Country, Southwest, Texas, USA) |
60 ft | Also known as Marble Falls Reservoir Lake Marble Falls, in the central Texas Hill Country, is the 4th and the smallest lake in the Highland Lakes chain. It was created by the Lower Colora… |
| Lake Dunlap (Hill Country, Southwest, Texas, USA) |
40 ft | Also known as Dunlap Reservoir Lake Dunlap is one of several lakes formed by impounding the Guadalupe River with construction of dams along its course. Lake Dunlap is located near N… |
