Houseboat in Guatapé (archive photo)
About the victims and rescued after the crash in the reservoir Guatapé authorities have not yet announced.
In Colombia sank the boat, of which there were about 150 tourists, reports The Associated Press.
The incident occurred in the reservoir near the town of Guatape in the North-West of the country.
Air force of Colombia reported on the rescue operation, the scene sent a helicopter.
At the same time, the mayor of Medellin, located West of the reservoir, said the dispatch of firefighters and divers in Guatapé.
Authorities have not said how many people were rescued or missing.
Survivors in the crash told local media that the boat, called El Almirante were overloaded, and none of the passengers on Board were not wearing life jackets.
Earlier it was reported that in the area of the Thai resort of Pattaya sank a pleasure boat, on Board of which were 23 tourists from India .
Near Greece sank cruise ship