Wong Nai Chung Reservoir. The hill is well preserved, with little construction on the hill. A rare and protected species, Hong Kong iris (Iris speculatrix) with violet flower can be found on the hill.[1][2]

Violet Hill, also known as Tsz Lo Lan Shan (Chinese: 紫羅蘭山, literally meaning violet (flower) hill) is located within Tai Tam Country Park in Hong Kong. The hill is a popular site for hiking. Hong Kong Government named three trails on the hill, namely Wilson Trail, Tsz Lo Lan Shan Path and Tai Tam Country Trail. Towards the top of the hill, it splits into three peaks of altitude 436 m (1,430 ft), 433 m (1,421 ft) and 430 m (1,410 ft). It offers beautiful views of Tai Tam Reservoir Group and