What is the Tren Maya and where does it go? The Montebello Lakes are just one stop on the Tren Maya route that you can now visit with ease.Photo credit: Maritxu / Shutterstock The Tren Maya route covers a 966-mile (1,554-kilometer) loop with seven separate sections, making it the dedicated Yucatan Peninsula train—aka it's the only one. It connects five different Mexican states, including Campeche, Chiapas, Tabasco, Yucatan, and Quintana Roo by rail, stretching all the way from Palenque to Cancun.