Tianmu Lake Tourist Resort is ranked among the first batch of National AAAA Scenic Spots, which is on the border among Jiangsu, Anhui and Zhejiang provinces. It consists of two strips of water area, lying on either side of Dongling Mountain. The source of Tianmu Lake connects with Tianmu Mountain and flows for 13.5 kilometers. The lake has an average depth of 10 meters and reaches the deepest at 28 meters. The lake water mainly came from rainwater and mountain streams, which have been purified by the vegetation of surrounding mountains and filtered by the underwater stones before running into the lake; therefore, Tianmu Lake has maintained the purity and mineral composition of natural spring, the water of which reaches National Class B for surface water and is considered as the best water within Jiangsu province.
Tianmu Lake is located about 60 to 200 kilometres away from Shanghai, Nanjing, Hangzhou, Suzhou, Wuxi and Changzhou, reputed as the “Eco-Home and Dreamy Paradise”, the “Southern Pearl and Green Wonderland.” Surrounded by mountains, Tianmu Lake Resort boasts crystal clear water and pleasant climate, with vegetation coverage of 45% or more, which has become a “back garden” and “natural oxygen bar” of the peripheral cities, suitable for visiting in over 300 days a year.
http://www.changzhou.gov.cn/ns_news/12134327283521