Wong Nai Chung Reservoir Park is a park and artificial lake in Wong Nai Chung Gap

Wong Nai Chung Gap

Wong Nai Chung Gap is a geographic gap in the middle of Hong Kong Island in Hong Kong. The gap is between Mount Nicholson and Jardine's Lookout behind Wong Nai Chung. Five roads meet at the Gap Wong Nai Chung Gap Road, Tai Tam Reservoir Road, Repulse Bay Road, Deep Water Bay Road and Black's Link...

, Wong Nai Chung

Happy Valley, Hong Kong

Happy Valley is a mostly residential suburb of Hong Kong, located in the northern part of Hong Kong Island. Administratively, it is part of Wan Chai District....

, Hong Kong

Hong Kong

Hong Kong is one of two Special Administrative Regions of the People's Republic of China , the other being Macau. A city-state situated on China's south coast and enclosed by the Pearl River Delta and South China Sea, it is renowned for its expansive skyline and deep natural harbour...

, located near Hong Kong Parkview

Hong Kong Parkview

Hong Kong Parkview is the largest private housing estate in Tai Tam, Hong Kong. It is located at Mount Nicholson, Wong Nai Chung Gap, with the east of Wong Nai Chung Reservoir Park. Its three sides are surrounded by Tai Tam Country Park...

. It was formerly Wong Nai Chung Reservoir , a closed reservoir

Reservoirs of Hong Kong

Reservoirs in Hong Kong are spread fairly evenly over the entire 1,104 km² of Hong Kong. There is plenty of space for small reservoirs in Hong Kong, as the hilly areas provide valleys suitable for water storage. However, the larger reservoirs, i.e. High Island Reservoir and Plover Cover Reservoir,...

 in Hong Kong.

Background

Wong Nai Chung Reservoir was the third reservoir in Hong Kong, built in 1889 in Tai Tam Reservoir Road, Wong Nai Chung. Before closure, it had only water storage capacity of just 27 million impgals (122,744.4 m³), only 38% of the size of its Pok Fu Lam counterpart

Pok Fu Lam Reservoir

Pok Fu Lam Reservoir is the first reservoir in Hong Kong. It is located in a valley in Pok Fu Lam. It is actually two reservoirs with capacity of 260 km³.-History:...

. Because of its small water storage capacity, the British Hong Kong Government decided to cease the operations of the reservoir. The reservoir was then converted to Wong Nai Chung Reservoir Park and opened to the public in 1986. It now provides water sports facilities like sampan

Sampan

A sampan is a relatively flat bottomed Chinese wooden boat from long. Some sampans include a small shelter on board, and may be used as a permanent habitation on inland waters. Sampans are generally used for transportation in coastal areas or rivers, and are often used as traditional fishing boats...

s and boats.

Some of the components of the reservoir, including the weir

Weir

A weir is a small overflow dam used to alter the flow characteristics of a river or stream. In most cases weirs take the form of a barrier across the river that causes water to pool behind the structure , but allows water to flow over the top...

, the dam

Dam

A dam is a barrier that impounds water or underground streams. Dams generally serve the primary purpose of retaining water, while other structures such as floodgates or levees are used to manage or prevent water flow into specific land regions. Hydropower and pumped-storage hydroelectricity are...

 and the valve

Valve

A valve is a device that regulates, directs or controls the flow of a fluid by opening, closing, or partially obstructing various passageways. Valves are technically pipe fittings, but are usually discussed as a separate category...

 house, were classified as Grade III historic buildings.
A total of 41 pre-World War II waterworks structures located in six reservoir areas, namely Pok Fu Lam Reservoir

Pok Fu Lam Reservoir

Pok Fu Lam Reservoir is the first reservoir in Hong Kong. It is located in a valley in Pok Fu Lam. It is actually two reservoirs with capacity of 260 km³.-History:...

, Tai Tam Group of Reservoirs, Wong Nai Chung Reservoir, Kowloon Reservoir, Shing Mun (Jubilee) Reservoir and Aberdeen Reservoir, were declared as monuments

Declared monuments of Hong Kong

Declared monuments of Hong Kong are places, structures or buildings legally declared to be "protected". In Hong Kong, declaring a monument requires consulting the Antiquities Advisory Board, the approval of the Chief Executive as well as the publication of the notice in government gazette.As of 12...

in September 2009. The weir, the dam and value house are now declared monuments.