This is a little-known Mayan archaeological site in the western section of the park. The once moderate-size city was abandoned around the 13th century AD. Most of the site has been unexplored with only a few archaeological digs in modern times. Few tourists visit the site, and even though the INAH maintains visitor facilities on the site, they are likely to be closed if you visit at a particularly light time of year. The highest point at the site is called the Acropolis and it serves as the site for a pyramid temple and a vantage point for views of the surrounding lakes. During the rainy season, low lying areas of the site flood, cutting off access to the Acropolis.
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3km one way hike to the viewpoints of lake Pojoj and Cinco Lagos. Hike is easy and go through the forest. Possibility to cross the 5 lakes on a raft for M$250 and to hike to other lakes from the other side (ask at the entrance if available). Otherwise you'll have to hike back.