Unique maar lake with high level of endemism, especially noted due to rare stromatolites met only in few locations around the world. Endemic salamander and fish. Renowned location of unusual experiences such as UFO sightings, lights in the lake.

Location, GPS coordinates:	19.4135 N 97.4039 W
Categories:	Lakes and streams, Ecosystems, Sites of legends
Values:	Biology, Visual, Unexplained
Rating:
Where is located?	North America, Mexico, Puebla state, some 100 km north-east from Puebla City

Lake Alchichica on the map