Aventuras Naturales (Av. 35, No. 1081. 987/872-1628 or 858/366-4632. www.aventurasnaturalascozumel.com) runs a two-hour guided horseback tour through the jungle to El Cedral. Prices start at $35. Groups are small and the guides fun and informative. The company also has hiking tours and a full-day action tour combining biking, horseback riding, and snorkeling for $65 per person.
Rancho Buenavista (Carretera Perimetral, Km 32.5. 987/872-1537) provides four-hour rides through the jungle starting at $65 per person.