Toelung Dechen

Doilungdêqên 堆龙德庆区 • སྟོད་ལུང་བདེ་ཆེན་ཆུས།
District
Location of Doilungdêqên within Tibet Autonomous Region
Coordinates: 29°39′N 91°00′E / 29.650°N 91.000°E / 29.650; 91.000Coordinates: 29°39′N 91°00′E / 29.650°N 91.000°E / 29.650; 91.000
Country	People's Republic of China
Autonomous region	Tibet Autonomous Region
Prefecture-level city	Lhasa
Area
• Total	2,682 km2 (1,036 sq mi)
Time zone	China Standard (UTC+8)

Doilungdêqên District
Chinese name
Simplified Chinese	堆龙德庆区
Traditional Chinese	堆龍德慶區
Transcriptions Standard Mandarin Hanyu Pinyin Duīlóngdéqìng Qū
Tibetan name
Tibetan	སྟོད་ལུང་བདེ་ཆེན་ཆུས།
Transcriptions Wylie stod lung bde chen chus Tibetan Pinyin Dölungdêqên Qü

Doilungdêqên District is a district in Lhasa, Tibet, north-west of the main center of Chengguan, Tibet. It is largely agricultural or pastoral, but contains the western suburbs of the city of Lhasa. The Duilong River runs southeast through the district to the Lhasa River. A prehistoric site appears to be 3600–3000 years old. The district is home to the Tsurphu Monastery (1189) and the 17th century Nechung monastery.

Doilungdêgên is said to mean "valley of bliss" in Tibetan. The district is located in south-central Tibet. It contains the western suburbs of the city of Lhasa, capital of the Tibet Autonomous Region, which begin about 12 kilometres (7.5 mi) from the city center. It covers an area of 2,704 square kilometers, with 94,969 acres of farmland.

The district borders on the north Tibet grasslands in the northwest. The valley of the Duilong River leads south to the Lhasa River, and is contained by two ridges of the Nianqing Tanggula Mountains. The Duilong is 95 kilometres (59 mi) in length, and has hydroelectrical power generation capacity of 4,000  KW. In the south the district occupies part of the south bank of the Lhasa River. There are about sixty rivers and streams in total. The district has an average elevation of 4,000 metres (13,000 ft), with a highest elevation of 5,500 metres (18,000 ft) and a lowest point at 3,640 metres (11,940 ft).

There are about 120 frost-free days annually. Annual mean temperature is 7 °C (45 °F), with temperatures in January falling below −10 °C (14 °F) Annual precipitation is about 440 millimetres (17 in), with autumn rainfall of 310 millimetres (12 in). The district is agriculturally rich and was used by the Tibetan kings as a source of food for Lhasa. Wildlife includes roe deer, otter, brown bear, leopard, black-necked crane, Chinese caterpillar fungus, Fritillaria and snow lotus. Military personnel have been involved in efforts to protect and improve the environment, including replanting programs.

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Wikipedia