Lockhart is a city in Caldwell County, Texas, United States. It is the county seat of Caldwell County. According to the 2010 census the population of Lockhart was 12,698. Lockhart and Caldwell County are within the Austin-Round Rock metropolitan area.
The Narrows in Knox County, TX. A private conservation property with a river-filled canyon. At one point, the river cuts through an exposed coral reef dating from the Late Cretaceous period (shortly before the extinction of dinosaurs). Members only entrance. To become a member of the Texas Conservancy Group, you can subscribe on the website.