Muyil, Riviera Maya   Is a recommended site seeing for the Tulum visitors, a combination of history and adventure, includes 40 minutes trekking through the jungle passing by a couple of cenotes till arriving to a lagoon where you can rent kayaks or take a ride in a small boat through the lagoon to jump in the fresh water and let you float in the water channel created by the ancient Mayans.   Muyil or Chunyaxche are the modern names of this archeological site because of the lagoons that are near the area; is the most notorious pre-Hispanic construction in the side of the Sian Ka’an Biosphere Reserve in the south of Tulum. This site is divided in two areas and just one is open for the general public. It’s known that it was a high population density in the pre-Hispanic periods from the year 300 b.C. till the first decades of the XVI c; this is known because of the many civic religious constructions.