Shenzhen Reservoir (simplified Chinese: 深圳水库; traditional Chinese: 深圳水庫; pinyin: Shēnzhèn Shuǐkù) is a reservoir located in Luohu District, in southeastern Shenzhen in the southern China. Shenzhen Reservoir is the largest man-made lake in Shenzhen. It belongs to the first grade water source protection area (一级水源保护区) and is part of Shenzhen's water supply network. It borders on Donghu Park and Fairy Lake Botanical Garden and is surrounded by Mount Wutong. It covers a total surface area of 60.5 km2 (23.4 sq mi) and has a storage capacity of some 45,770,000 m3 (0.01098 cu mi) of water. The reservoir discharges into Sham Chun River, the natural border between Hong Kong and Mainland China, together with the Sha Tau Kok River.