Horseback riding tours of Ocosingo [1]’s countryside can be arranged through Hospedaje y Restaurant Esmeralda (Calle Central Nte. near Av. Central, tel. 919/673-0014). Tours are led by an experienced guide and can include stops in working ranches. Excursions typically last 1.5–2 hours.
Links:
[1] http://www.moon.com/destinations/chiapas/palenque/ocosingo