page_title: Oudomxay Province
section_title: Geography
hierarchical_section_title: Oudomxay Province / Geography
caption_attribution_description: English: A Sea of Clouds in the mountains of Oudomxay Province in Northern Laos
context_page_description: Oudomxay is a province of Laos, located in the northwest of the country. The province capital is Muang Xai.
  Oudomxay Province covers an area of 15,370 square kilometres. The province borders China to the north, Phongsali Province to the northeast, Luang Prabang Province to the east and southeast, Xaignabouli Province to the south and southwest, Bokeo Province to the west, and Luang Namtha Province to the northwest. The topography of Oudomxay is mountainous, between 300–1,800 metres above sea level.
  Oudomxay has deposits of salt, bronze, zinc, antimony, brown coal, kaolin and iron deposits. Attempts to control poppy cultivation in the province have been made through the Narcotics Crop Control Project, formulated in the 1990s. Besides rice, important crops are corn, soybeans, fruits, vegetables, cassava, sugarcane, tobacco, cotton wool, tea and peanuts. In 2004, approximately 10,000 tons of sugarcane and 45,000 tons of corn were produced.
context_section_description: Oudomxay Province, one of the provinces of Laos, covers an area of 15,370 square kilometres (5,930 sq mi). The province borders China to the north, Phongsali Province to the northeast, Luang Prabang Province to the east and southeast, Xaignabouli Province to the south and southwest, Bokeo Province to the west, and Luang Namtha Province to the northwest. In the northwest there is a 15 kilometres (9.3 mi) border with the autonomous area of Xishuangbanna of the People's Republic of China.
  Notable settlements include Muang Xay, Muang La, Pak Beng, Sen Say, Taxoum, Seneke, Sala Mok, Ban Na He, Ban Chomka, Ban Lao Phe, Ban Na Houang, Ban Lo Sa, Ban Lao Than, Ban Donkon, Ban Senlouang, Ban Napa, Ban Phoukeu, Ban Yamai, Ban Haiteu, Ban Kavang, Ban Kheun, Muang Houn, Ban Na Mao, Ban Tong, Ban Khmou, Ban Khokka, and Ban Tong.
  The topography of Oudomxay is very mountainous. Altitudes vary between 300–1,800 metres (980–5,910 ft) above sea level. Approximately 60 rivers flow through Oudomxay Province, as for example Nam Phak, Nam Sae, Nam Beng, Nam Kor and Nam Nga. The Nam Kor flows through the province capital Muang Xay. Oudomxay Province has a moderate monsoon climate. The yearly amount of rain is about 1,900–2,600 millimetres (75–102 in). Temperatures in February and March average between 18 and 19 °C, from April to May temperatures climb over 31 °C. Due to high altitudes there are more variations in temperature during the year and a colder dry season in northern Laos as in the rest of the country.
caption: A sea of clouds in Pak Beng, Oudomxay Province
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