Wat Koo or Wat Phra Nang Rua Lom was built in 1752. It used to name Wat Lang Suan but later on May 31st, 1880, the royal yacht of Queen Sunantha Kumariratana, the first queen consort of King Rama V, pass by Bang Pa In and the yacht got an accident as it sank until Queen Sunantha Kumariratana and Queen Kannaporn Petchsopang passed away. Later, the bodies and shipwrecks were dredged out and set down at this temple. So, it was named Wat Koo after this incident since then.Wat Koo is situated nearby Chaopraya river in Bang Pood Sub District, Pak Kret, Nonthaburi. The temple construction is of Mon architecture. There is one old Buddhist sanctuary decorated with mural paintings in Mon style which very well reflect the history of the Buddha. Besides, there in another outdoor Buddhist sanctuary which is the place where the Reclining Buddha image was installed. On the side of the sanctuary, there is a palace that was built to commemorate Queen Sunantha. The palace was imitated from tetrahedron pavilion of Bang Pa In palace. It has been said that the palace is very sacred as there are many times where a group of alligator came over and paid their respect to the queen. Those who does not believe in the holy of the palace will somehow encounter bad things. Anyone interested to come over Wat Koo can travel by either car or boat. If you are traveling by car, start from Tha Nam Pak Kret and turn left into soi Wat Koo along Sukha Prachasawan road, keep going for three more kilometers and you see Wat Koo on your left. Anyone traveling by boat, take a boat from Tha Nam Pak Kret to the north for about three kilometers. The boat ride will take you only ten minutes and you will spot the temple on your right.