Jacob's Well

Wimberley, Texas

United States of America

Address

1699 Mount Sharp Road

Wimberley, Texas

Latitude

30.034377

Longitude

-98.143909

Jacob's Well is a karstic spring in the Texas Hill Country flowing from the bed of Cypress Creek, located northwest of Wimberley, Texas. The 12-foot diameter mouth of the spring serves as a popular swimming spot for the local land owners whose properties adjoin Cypress Creek.

Directions

Just north of the Village of Wimberley. Hours of Operation: Sunday - Saturday 10 am - 8 pm and 10 am - 6 pm- It is the end of the summer season and we will not be requiring reservations again until Spring 2016. If you are wanting to swim when you visit Jacobs Well, you will pay the swimming fee at the gate.

Wikipedia

Jacob's Well is a perennial karstic spring in the Texas Hill Country flowing from the bed of Cypress Creek, located northwest of Wimberley, Texas. The 12-foot (3.7 m) diameter mouth of the spring serves as a popular swimming spot for the local land owners whose properties adjoin Cypress Creek. From the opening in the creek bed, Jacob's Well cave descends vertically for about 30 feet (9.1 m), then continues downward at an angle through a series of silted chambers separated by narrow restrictions, finally reaching an average depth of 120 feet (37 m). Until the modern era, the Trinity Aquifer-fed natural artesian spring gushed water from the mouth of the cave, with a measured flow in 1924 of 170 US gallons per second (640 L/s), discharging 6 feet (1.8 m) into the air.

Due to development in the area, the level of the Trinity Aquifer has dropped affecting the flow of water through Jacob's Well. In the modern era, what remains visible of the spring is a faint ripple on the surface of Cypress Creek. The spring ceased flowing for the first time in recorded history in 2000, again ceasing to flow in 2008. This resulted in now ongoing measures to address local water conservation and quality. Hays County purchased 50 acres (20 ha) of land around Jacob's Well in 2010, in an attempt to protect the spring from development. An additional thirty-one acres was transferred to the county from the neighboring Jacob’s Well Natural Area (administered by the Wimberley Valley Watershed Association (WVWA)), the new, eighty-acre (32 hectares) named the Westridge Tract.

The system has been explored and mapped by cave divers of the Jacob's Well Exploration Project and has been shown to consist of two principal conduits. One passageway measures approximately 4,500 feet (1,400 m) from the surface and a secondary one extends approximately 1,000 feet (300 m) in length from the point where it diverges from the main conduit.

The cave is also an attraction for open-water divers, some of whom are inexperienced with the specialized techniques and equipment used in cave diving, which has resulted in eight fatalities at this site between 1964 and 1984 (seven men and one woman).

Provided By: https://en.wikipedia.org/wiki/Jacob%27s_Well_(Texas)

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