Phra Mahathat Chedi Sri Wiang Chai is located at Village No. 9, Ban Nong Pu, Na Sai sub district, Li district, Lamphun province, near Wat Phra Phutthabat Huai Thom which is imitated from Shwedagon Pagoda of Myanmar. Inside the Great stupa is contains 84,000 Buddha images. In 2006, Her Royal Highness Chulabhorn Walailak, the emperor came to raise the top of the golden tier on the top of the Great stupa. Nowadays, there are people all over the world have always come to worship, it is best thing for the people of Na Sai sub district, Li district, Lamphun province. Before building Mahathat Chedi will occur, Luang Phu Kruba Chaiyawongsa Pattana found the dung of the Lord Buddha in the days when he used his life as a Bodhisattva and this dug mound has become relics, so he intends to build a Phra Maha Chedi That to cover this place because he afraid that in the future, if nothing is done, this sacred place will have villagers build a house over, by their ignorance. The origin of the name Phra Mahathat Chedi Si Wiang Chai, Somdej Phra Yannasangwon Supreme Patriarch gave the name of this great chedi as Phra Mahathat Chedi Sri Wiang Chai Buddha pagoda with five gods. The offering to worship of the five Buddha of the Phattharagab. The Buddhist valuable architecture initially designed to be constructed by Luang Pu Kruba Chao Chaiyawongsa Pattana, it is the Lanna art that was built entirely body with laterite. There was determined to build the principle Buddha image in the center and the 48 small stupas are surrounded as satellite according to a pagoda in the Lanka style. The meaning of the Great Chedi in the middle is stupa of the Horse year. The small stupa is a stupa for the year of the 10th year of the zodiac. The 28 small stupas represent the 28 Buddha in the past. The remaining 10 small stupa are the 10 Buddha who will come to enlightenment in the future. This stupa was built on an area of 9,600 square meters with the width base is 40 x 40 meters, the height from the floor to the lotus top is 71 meters, enshrined at Wat Nong Wua Tao, Moo 9, Ban Nong Pu, Phra Bat Huai Thom Community.