Prasat Krol Ko is located in the northwest of Neak Pean, 100 meters from the road. A enter and leave from the east. It was built in late 12th century-early 13th century by king Jayavarman VII, in Buddhist religion with following to Bayon style art.
The main items of interest at Krol Ko are the pediments on the ground Two out standing ones are a bodhisattva Avalokitesvara standing on a lotus flanked by devotees and a strongly modeled scene of Krsna lifting Mount Govardhana to shelter the shepherds.
Kro Ko is a single tower monument with two enclosing walls built of laterite with an entry tower at the east and a moat with steps. There is a library built of laterite and sandstone opening to the west on the left of the interior courtyard. The Central Sanctuary stands on a terrace in the shape of a cross.