Most of the rafting takes place near El Encanto, about 5km from the centre of Tlapacoyan off the Nautla road. There’s a waterfall here, and spectacular river views enjoyed by a cluster of rafting camps. Good ones to try are:
Aventurec (225 315 0291). Lots of activities including horseriding and kayaking as well as rafting. Accommodation is in large cabins, hostel dorms or camping.
Filobobos Camp (225 315 1784). The largest of the operators, with a restaurant and pool plus a variety of activities in addition to rafting, including a zipwire, hiking and mountain-biking. Accommodation is in basic wooden cabins or camping.