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Ngau Tau Kok (traditional Chinese: 牛頭角) is an area of Kowloon, Hong Kong, located at the northern part of Kwun Tong District, next to Kowloon Bay. It covers Jordan Valley, Ngau Tau Kok and Upper Kwun Tong Town Centre. The population of Ngau Tau Kok exceeds 210,000. It is one of the major residential areas in Kwun Tong District.
In Chinese, Ngau Tau Kok means ox horn: before the reclamation of Kowloon Bay, the coastline of Ngau Tau Kok was shaped like an ox horn. Ngau Tau Kok includes two hills - Jordan Valley (Shum Wan Shan) and Crocodile Hill (Lok Yue Shan), where around half of the residential blocks are located.
Ngau Tau Kok is a residential area close to the town centre of Kwun Tong District. The area around Lower Ngau Tau Kok Estate is known for its street food, including congee, noodles and other traditional Cantonese cuisine. In summer, Ngau Tau Kok hosts many religious ceremonies to cerebrate the Yu-lan festival, a festival from Chinese ghost tales.
Ngau Tau Kok has a long history of Hakka inhabitants. In the early colonial days of Hong Kong, it was one of the four hills of Kowloon (九龍四山) in eastern Kowloon where granite was extracted. The granite from Ngau Tau Kok was transported to Victoria City on Hong Kong Island across Victoria Harbour. Some stone was even exported to Canton City.
Before being a residential area, Ngau Tau Kok was an industrial area. Amoy Food sited a factory in Ngau Tau Kok for manufacturing soy sauce. A high-density private housing estate, Amoy Gardens was constructed on the factory site.
A reservoir, located in Jordan Valley, formerly provided fresh water to residents in Ngau Tau Kok. The reservoir is now disused and is used as a landfill area. An artillery battery was also located in Jordon Valley but it was removed due to the urban development project.
 SARS Outbreak
During the spring of 2003, Ngau Tau Kok was severely impacted by the SARS outbreak. Amoy Gardens (淘大花園) was hit by a serious outbreak of SARS, which mainly affected people living in Block E of the estate.
 Town Gas Explosion
On 11 April 2006, a fatal underground explosion occurred in Ngau Tau Kok Road and Jordan Valley North Road: two people died and eight were injured. Wai King Building (偉景樓) was damaged seriously by an explosion due to the leakage of town gas from the underground pipes belonging to The Hong Kong and China Gas Company Limited, a major utility in Hong Kong.
Major roads in Ngau Tau Kok include: