Is Jacobs well worth visiting?

Jacob's Well is a wonderful swimming hole that exists within the larger Jacob's Well Natural Area in Blue Hole Regional Park. It serves as the headwaters of Cypress Creek and springs from the Trinity Aquifer, an artesian spring that is surrounded by a massive underwater cave system.



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Reservations are required for water access at Jacob's Well. No dogs, glass, alcohol, or drones are permitted in the natural area. Visitors who just want to hike do not need a reservation. Recommended hiking hours are 8 a.m. – 10 a.m. every day.

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Swimming at Jacob's Well is currently not permitted. Please note that the park is still open for hiking and viewing the spring during our regular hours. Plus we have geocaching, bird watching and a Nature Center to explore and enjoy! We also have picnic areas, a labyrinth, a sundial, and a Loose Parts Play Area!

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Jacob's Well is perhaps the longest underwater cave in Texas and an artesian spring that delivers several thousand gallons of water per minute. It acts as the headwaters to Cypress Creek that flows through Wimberley into Blue hole and then to the Blanco River.

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Jacob's Well is open to the public from 8:00 AM to 6:00 PM daily. Hikers and other non-swimmers do not have to pay an entrance fee or make a reservation. However, they should arrive early as the park can reach capacity. Swimmers must pay a fee of $5 for children ages 5-12, $9 for adults, and $5 for seniors.

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By the 330s CE, the site had been identified as the place where Jesus held his conversation with the Samaritan woman, and was probably being used for Christian baptisms. By 384 CE, a cruciform church was built over the site, and is mentioned in the 4th century writings of Saint Jerome.

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Temperature of the water in Jacob's Well remains a near-constant 68°F and visibility is typically excellent. The spring provides habitat to numerous species of fish (principally sunfish and perch); turtles; aquatic insects; crustaceans; and, most notably, the cave-adapted Fern Bank salamander (Eurycea pterophilia).

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While the size of the park that the well sits on is very large (over 81 acres!), the well itself is much smaller. The park includes a reasonably pathed hiking trail from the parking lot to the well. Once you get to the well, there's a trail that will lead you down to access the water, about a 10-minute walk.

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There are no bats, of course, but there are catfish, perch, turtles – at the beginning of the cave – and then deep in, there are blind Texas salamanders to keep you company. You can't scuba dive there without a special permit from Hays County, and the only entity that has one is the Jacob's Well Exploration Project.

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Definitely a bucket list trip! Hubby and I went at the end of July 2018 as part of a day trip from Turneffe atoll to the Blue Hole, Half Moon Caye, and aquarium. We enjoyed the snorkeling experience and saw neat coral and fish.

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Jacob's Well is the headwaters of Cypress Creek, which flows through Blue Hole Regional Park and feeds into the Blanco River.

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For the second year in a row, the iconic spring-fed swimming hole has stopped flowing, the consequence of drought and overpumping. It was a scorching day in July 2022 when I last peered into Jacob's Well. In a sense, I had come to pay my respects.

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