Map of the Pearl River Delta, showing the Bocca Tigris
The Bocca Tigris, Bogue, or Humen (Chinese: 虎门; pinyin: Hǔmén, literally: "tiger gate") is a narrow strait in the Pearl River Delta, Guangdong, People's Republic of China, where the Pearl River discharges into the South China Sea. The strait is formed by the islands of Chuenpee (穿鼻) and Anunghoy (阿娘鞋, a.k.a. 威远) on the eastern side and Tycocktow (大角头, pinyin: da jiao tou) on the western side. Since 1997, the strait is crossed by the Humen Pearl River Bridge.