it is the largest in upper northern Thailand and covers an area of 205,296 square kilometers. There was a water gate built in 1939 by the Department of Fisheries to store water. and this caused many temples to be submerged under the water. However, Kwan Phayao is not only an essential water source for inland fisheries. but also one of Phayao's most famous tourist attractions. lt is surrounded by beautiful mountains with complex natural shapes that enjoyment. Additionally, there are many restaurants and parks ideal for picnics and relaxation by the lake Phra Chao Ton Luang: This was the largest Chiang Saen-style Buddha image built during the Lanna kingdom era (1494-1524); it is 14 meters wide and 16 meters statue is situated at Wat Si Khom Kham temple, a third class Buddhist royal temple,