Lake Buchanan is the second largest Highland Lake in Central Texas. The lake has over 22,000 acres of surface area and 124 miles of shoreline. With all that space, you can enjoy the lake and never feel crowded. Some of the more popular activities on Lake Buchanan are fishing, boating, swimming, and camping. Fishing, in particular, is very popular. Lake Buchanan is stocked with a number of species of fish for recreational fishing. Primarily largemouth bass, striped bass, white bass, and catfish.