Tangwanghe (simplified Chinese: 汤旺河区; traditional Chinese: 湯旺河區; pinyin: Tāngwànghé Qū) is a district of the prefecture-level city of Yichun, Heilongjiang province, China.

Mahalashan (labelled as MA-HA-LA SHAN 瑪哈剌山) (1951)
Tangwanghe District
汤旺河区
Location of Tangwanghe District in Yichun
Location of Tangwanghe District in Yichun
Yichun in Heilongjiang
Yichun in Heilongjiang
CountryPeople's Republic of China
ProvinceHeilongjiang
Prefecture-level cityYichun
District seatTangwanghe Street (汤旺河街)
Area
 • Total
2,153.51 km2 (831.47 sq mi)
Population
 (2008)[citation needed]
 • Total
37,000
 • Density17/km2 (44/sq mi)
Time zoneUTC+8 (China Standard)
Websitetwh.gov.cn
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48°27′17″N 129°34′16″E / 48.45472°N 129.57111°E / 48.45472; 129.57111