Jacob's Well, Wimberley, Texas. Jacob’s Well is one of the longest underwater caves in Texas. It’s basically a spring-fed pool that is made by the thousands of gallons of water per minute that surge up into the well. The well acts as headwaters to Cypress Creek, which flows through Wimberley and feeds both the Blue Hole and the Blanco River. 30°02'04.0"N 98°07'34.0"W
TEXAS! The Narrows. Upper south side of Lake Travis near the community of Spicewood. From Austin take Texas 71, turn north on Spur 191, and proceed approximately one mile to Spicewood. Continue traveling north 1.1 miles on Burnet County Road 410 to CR 411, which is a gravel road. Proceed approximately 1.5 miles north to the entrance for the Narrows Recreation Area.