San Marcos, TX, is serious about its water sports. Residents here have worked hard to make the San Marcos River one of the cleanest, clearest streams in the nation. The river is a prime spot for a glass-bottom boat tour or a tubing excursion. Or kick it up a notch and kayak through one the rivers waterfalls, including the Rio Vista Falls area, which has hosted Olympic pre-trial events.Bodies of Water: San Marcos RiverActivities: Kayaking or tubing the river, Aquarena boat tours, floating...
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