Wat Phra That Doi Suthep. Northern Thai pronunciation is a Buddhist temple in Chiang Mai Province, Thailand. The temple is often referred to as "Doi Suthep" although this is actually the name of the mountain where it's located. It is a sacred site to many Thai people. The temple is 15 kilometres (9.3 mi) from the city of Chiang Mai. From the temple, impressive views of Chiang Mai can be seen.