Chiang Mai Yi Peng Lantern Festival 2025 Schedule. The yi peng festival, also known as the yee peng festival or thai festivals of lights, is a traditional lanna festival celebrated in northern thailand, particularly in the city of chiang mai. In 2025, the chiang mai yi peng lantern festival will be held for two days on november 5th and 6th, 2025.

Chiang mai is the only city in thailand to host both of the lantern festivals. In 2025, the chiang mai yi peng lantern festival will be held for two days on november 5th and 6th, 2025.