Hang Dong Canyon, () also known as Chiang Mai Grand Canyon, is located in Soi Ban Rai 3 Mu 1, Nam Phrae, Hang Dong District, Chiang Mai Province, in the northern part of Thailand. Hang Dong Canyon is considered a tourist attraction in Chiang Mai. The canyon is about .
Hang Dong Canyon used to be an abandoned field and was accidentally created by Mr. Chatkarin Trakulinsan, the land owner. Between 2004-2005, Trakulinsan sold soil and created a deep hole, around ; this hole eventually turned into a canyon. 10 years later, the hole was filled with water becoming a gigantic pond surrounded by the canyon.
Hang Dong Canyon has a tropical wet and dry climate year-round. The temperature at night is lower than in the day. There are three season in Thailand: