In previous articles I have mentioned Bakpak, an excellent magazine for hikers and campers published in Mexico, which costs nothing and is full of information about the great outdoors (but entirely in Spanish).
In addition to publishing a magazine, the Bakpak team organizes excursions for people living in and around Monterrey and Guadalajara. Recently, they told me their new season of activities for 2020 would start with a hike in La Huasteca, an area just outside Monterrey filled with limestone mountains, many of which are long, thin and high, running in parallel lines like giant knife blades. Cañon la Huasteca, they told me, is actually the beginning of the Sierra Madre Oriental, which extends south for 1,000 kilometers.