Located approximately 5 kilometers from town on the east bank of Nan river, Wat Chula Mani is the oldest temple in town. It was built prior to the Sukhothai era and was once the spot where the original town was located. Wat Chula Mani is a temple with long history. King Borom Trailokanat of Ayutthaya and 2,000 of his followers were ordained as monks at this temple in 1416. The Khmer-style pagoda attracts students and archaeologists to explore the beautiful, intricate swan design. Moreover, the Mondop contains a Holy Footprint and an inscription stone built by King Narai the Great of Ayutthaya.