When was the ancient city of Kangding built?
After that, it was because of this water that Kangding City was gradually formed.
That's why there is the legend of Kangding. There was a well before Kangding City.
I checked the other information you need for you, which was copied online. I hope it will be useful:
Kangding County was the land of A Qiang in ancient times. Li Shen county, Han Li. Sui is a good place. The northeast of Tangxian belongs to cliff states, such as Nakagawa and Ye Hui. The west recorded it in Tubo. Song Jizhi. Yuan set up the fish pass in Longxi River, Ningyuan Xuanwei Department. In the 12th year of Chongzhen in Ming Dynasty (1639), Khan in Gushi set up a camp officer in Muya. In the forty-second year of Kangxi in Qing Dynasty (170 1), after the Qing army put down the fierce rebellion on the side of Muya Yingguan Factory, Xuanwei Division (hereinafter referred to as "Zheng Ming Tusi") was re-established. In the 11th year of Yongzheng (1733), an archery furnace hall was set up. In the 29th year of Guangxu (1903), it was promoted to Zhili Hall and changed to Jianchang Road. Thirty-four years (1908) was changed to Kangding prefecture. In the 2nd year of the Republic of China (19 13), Kangding County was established, belonging to the Chuanbian Special Administrative Region. 1935, the Red Army's Long March passed through the county seat, and Soviet governments were established in Jintang, and township Soviet governments were established in Kong Yu, Xinhe, Pengta, Sanhe, Maibeng and Qianxi. In 28 years (1939), Xikang was established as the province and Kangding as the provincial capital. 1950, belonging to Xikang Tibetan Autonomous Region; Kangding is the resident of Xikang Tibetan Autonomous Region People's Government. 1955 belongs to Ganzi Tibetan Autonomous Prefecture in Sichuan Province, and Kangding is still the resident of the state capital. 1990 The county has jurisdiction over 7 districts, 24 townships, 1 town, 240 villages, 254 villagers' groups, 10 neighborhood committees and 57 residents' groups. The county government is located in Huolu Town, 366 kilometers away from Chengdu, the provincial capital. Kangding is a Chinese name, so it got its name because it means "Kang" east of Guo Dashan, which means "Kang and stability". In Tibetan, Kangding is called "Gengzhe", which means the intersection of Daqu (Yalong River) and Zheduo River. The old history was translated as "fried furnace" and later as "arrow furnace", referred to as furnace city for short. In ancient times, it was Qiang land. Li Shen county, Han Li. Sui is a good place. The northeast of Tangxian belongs to cliff states, such as Nakagawa and Ye Hui. The west recorded it in Tubo. Song Jizhi. Yuan set up the fish pass in Longxi River, Ningyuan Xuanwei Department. In the 12th year of Chongzhen in Ming Dynasty (1639), Khan in Gushi set up a camp officer in Muya. In the forty-second year of Kangxi in Qing Dynasty (170 1), after the Qing army put down the fierce rebellion on the side of Muya Yingguan Factory, Xuanwei Division (hereinafter referred to as "Zheng Ming Tusi") was re-established. In the 11th year of Yongzheng (1733), an archery furnace hall was set up. The steep and straight mountain in the northeast of the furnace city is called "Guodashan"; There is an arrow shaft towering at the top of the mountain, so the night view of Kangding County
Also known as "Arrow Mountain". Guo Dashan is also regarded as Kangding Eye Rain Watch. Clouds on the top of the mountain are a sign of good weather. Whenever there is fog, there will be rain, which can't be wrong, so it has the reputation of "staying in the rain". In the 29th year of Guangxu (1903), it was promoted to Zhili Hall and changed to Jianchang Road. Thirty-four years (1908) was changed to Kangding prefecture. In the 2nd year of the Republic of China (19 13), Kangding County was established, belonging to the Chuanbian Special Administrative Region. 1935, the Red Army's Long March passed through the county seat, and Soviet governments were established in Jintang, and township Soviet governments were established in Kong Yu, Xinhe, Pengta, Sanhe, Maibeng and Qianxi. In 28 years (1939), Xikang was established as the province and Kangding as the provincial capital. 1950, belonging to Xikang Tibetan Autonomous Region. 1955, belonging to Ganzi Tibetan Autonomous Prefecture, Sichuan Province. 1990 6 districts in the county, 1 town, 22 townships. Ganzi Town, the county seat, is 384 kilometers away from Kangding, the state capital, and 742 kilometers away from Chengdu, the provincial capital. 1997, Kangding county area 1 1422.8 square kilometers, population 1000000. It governs 3 towns and 19 townships: Huolu Town, Guzan Town, xinduqiao town, Yulin Township, Yala Township, stone village, Qianxi Township and Shelian Township. The county government is located in Hearthstone Town.