Singkawang or San Keuw Jong (Chinese: 山口洋; pinyin: Shānkǒuyáng) is a city located in the province of West Kalimantan (or Kalimantan Barat), on the island of Borneo in Indonesia. It is located at about 145 km north of Pontianak, the provincial capital, and is surrounded by the Pasi, Poteng, and Sakok mountains.