Hamilton Pool Preserve

 waterfall, nature conservation park / area, swimming

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The preserve is managed as a natural area with emphasis on habitat protection and restoration, environmental education for public and private groups, and ongoing research; it offers limited, day-use only, with recreational opportunities such as picnicking, hiking, swimming and nature study.

Hamilton Pool Preserve is a natural pool that was created when the dome of an underground river collapsed due to massive erosion thousands of years ago. The pool is located about 23 miles (37 km) west of Austin, Texas off Highway 71. Since the 1960s, Hamilton Pool has been a favorite summer swimming spot for Austin visitors and residents. Hamilton Pool Preserve consists of 232 acres (0.94 km2) of protected natural habitat featuring a jade green pool into which a 50-foot (15 m) waterfall flows