Tubing is easy once you are in the tube. The trip is parking, entry, exit, shuttle, water level, sun and crowd management.
Choose the river experience first.
The Comal is compact and highly managed. The Guadalupe can feel broader and more variable. Ask outfitters about the actual float duration under current conditions, not just the advertised route.
Carry less.
Secure essentials, protect keys and phones, hydrate before you launch, and take local container rules seriously.
Sources & further reading
Tony’s Guide separates documented history from interpretation. If you spot an error or know of a primary source we should examine, send a correction.