Getting there & around
Huasteca Potosina, San Luis Potosi
Getting there
The Huasteca has its own small airport at Tamuin (TQS), near Ciudad Valles, with limited domestic connections, mostly from Mexico City. Flights are few and can be pricey, so check schedules before you count on it. Many people instead fly into San Luis Potosi city (SLP) or Tampico and drive from there.
By road, Ciudad Valles is the natural entry point. Reckon on roughly 4 to 5 hours from San Luis Potosi city, a similar stretch from Tampico, and a long haul of around 9 to 10 hours from Mexico City. These are approximate, mountain sections slow you down. First-class buses (ADO and others) run into Ciudad Valles and Xilitla and are comfortable enough, but they only get you to the towns, not the rivers.
Getting around
Here is what a local would tell you plainly, you want your own wheels. The waterfalls and rivers are scattered across a wide area with poor public links between them, and tour meeting points assume you can reach a town first. A rental car or a hired driver-guide for the day is the difference between seeing three sites and seeing one.
Roads to the main attractions are mostly paved but narrow and winding, with some rough final stretches of dirt near the rivers. Drive them in daylight, fog and livestock are real after dark. Colectivos and local vans connect the bigger towns cheaply but run on their own timetable.
Many travelers book day tours out of Ciudad Valles that bundle transport, boat fees and a guide. For places like Tamul, where you need a boat anyway, that is often the easiest call.