If you want to do San Marcos like a local, tube your way down the San Marcos River. With the river a near-constant 72 degrees, it’s no wonder that so many families spend their time floating past tree-lined riverbanks with their toes dangling in the water. Looking for more adventure? Try claiming one of Texas’ biggest bragging rights by taking on the Texas Water Safari and canoeing 100 hours down the 260-mile-long river to its end at the San Antonio Bay.
Best Places to Go "Om" 12 Photos