Cola de Caballo, Monterrey
Waterfall Cola de Caballo
Buses leave at the central bus station and go about an hour, then a mini bus will take you up to waterfall. To get in without paying the fee walk up the street a bit and take one of the trails leading down on the right hand side.
Hikking is one of the best things to do, starting from Cola de Caballo (30 km south of Monterrey), ther are a lot of people hikking, even camping.