Located next to the Chiang Saen National Museum, Wat Phratat Chedi Luang is a major ancient Chedi bell-shaped 88 m high and 24 m base circumference erected by King Saen Phu; The third ruler of the Lanna kingdom in 1290, this temple is the tallest religious monument in the Lanna style architecture in Chiang Rai, and it features a group of interesting Buddhist statues surrounded by beautiful nature.