West Baray is a baray located west of Angkor Thom wall. Baray means water reservoir. It is natural water reservoir. Its name means "Clear Water Baray". The rectangular shape dimension is 7.8 by 2.1 kilometers. It is the the largest baray at Angkor.The tall dike contains the water of baray. West Mebon is temple located in the middle of West Baray.