Lhünzhub County

Lhünzhub County 林周县 • ལྷུན་གྲུབ་རྫོང་།
County
Typical scenery of the Nyainqentanglha Mountains
Location of Lhünzhub County within Tibet
Coordinates: 30°21′25″N 91°28′30″E / 30.35694°N 91.47500°E / 30.35694; 91.47500
Country	China
Region	Tibet
Prefecture-level city	Lhasa
County seat	Lhünzhub
Area
• Total	4,512 km2 (1,742 sq mi)
Population (1999)
• Total	50,895
Time zone	China Standard (UTC+8)

Lhünzhub County, also called Lhundrub or Linzhou County, is a county in Lhasa prefecture-level city towards the north-east of the main center of Lhasa, Tibet, China. It covers an area of 4,512 km² (1,742 sq mi) and as of 2000 had a population of 50,895 people, almost all classified as rural. The southern portion, the Pengbo River Valley, contains fertile arable land, while the colder and more mountainous northern portion primarily supports grazing. The county has many monasteries, including the Reting Monastery.

Lhünzhub County is located in central Tibet around 65 km (40 mi) northeast of metropolitan Lhasa. It includes the Pengbo River Valley and the upper reaches of the Lhasa River. It covers an area of 4,512 km² (1,742 sq mi). The county is geologically complex, with an average elevation of 4,000 metres (13,000 ft). Mineral resources include lead, zinc, copper, silver, gold and gypsum. A spur of the Nyainqêntanglha mountains crosses the whole territory, dividing it into a southern and northern part.

In the south the Pengbo valley has an average elevation of 3,680 metres (12,070 ft) with a mild climate. The average temperature is 5.8 °C (42.4 °F). The northern "three rivers" section, crossed by the Lhasa River and its tributary the Razheng River, is mountainous and has an average elevation of 4,200 metres (13,800 ft). It has average annual temperature of 2.9 °C (37.2 °F) and is mostly pastoral, with yak, sheep and goats. Wildlife includes roe deer, white-lipped deer, otter, black-necked crane, duck, Mongolian gazelle, ibex. Medicinal plants include Cordyceps, Fritillaria, Rhodiola, and Ganoderma lucidum.