The Texas Hill Country is country picturesque with gently rolling to hilly grassland and various steep canyon formations all situated on the Edwards Plateau. This area is at a crossroads of West Texas, Central Texas and South Texas. This region is distinguished in its many high rising hills in areas to the topography of the valleys and riparian areas. Soils are primarily coarse textured sands, produced from weathered granite over thousands of years. The Llano Uplift is also referred to as the central mineral region. This area is unique in its geology as it is home to some of the oldest rocks and rock formations in Texas.
There are many live springs and hidden subversive lakes in the Edwards Aquifer. The core limestone rock of the Edwards Aquifer has many caves and recesses allowing of free flowing water throughout. This aquifer provides drinking water for 1.5 million people, as well as for agricultural, farming and wildlife sustenance. This region is said to be among the fastest growing economies in the United States.
Major River: Colorado, Guadalupe, Nueces,
Major Aquifer: Edwards, Carrixo-Wilcox
Size: Edwards Plateau: 31,000 sq mi, Llano Uplift: 5,000 sq mi