Pata Zoo is the only rooftop zoo in Bangkok, featuring a unique gorilla named Mom Buanoi. The admission fee is 80 Baht for adults and 50 Baht for children. This small zoo is located on the 6th and 7th floors of the Pata Department Store in the Pinhao district of Thonburi, Bangkok, near the Borom Marachachonnani intersection, heading towards the Phutthabucha Bridge. It has been in operation since early 1983.