From docks on the Rio Grijalva (the only major river within Mexico) near Tuxtla GutiƩrrez in Chiapas state, tour launches take you into this steep-walled National Park. You'll likely see vast flocks of flamingos, pelicans, and other waterfowl, as well as crocodiles.
16.41-92.408611former city state in Central America in present-day southern Mexico
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