Mae Kha Canal is an important waterway and is considered one of the seven auspicious symbols in the establishment of Chiang Mai. It originates from Doi Suthep-Pui National Park and Huay Tung Tao in Mae Rim District and flows through Chiang Mai City, into the Ping River at Sop Mae Kha, Hang Dong District with a total distance of approximately 31 kilometers. As urban expansion and wastewater