The Da'an River () is a river in northwestern

Taiwan Taiwan, officially the Republic of China (ROC), is a country in East Asia. The main geography of Taiwan, island of Taiwan, also known as ''Formosa'', lies between the East China Sea, East and South China Seas in the northwestern Pacific Ocea ...

. It is the seventh-longest river on the island, it flows through

Miaoli County Miaoli is a county (Taiwan), county in western Taiwan. Miaoli is bordered by Hsinchu County and Hsinchu City to the north, Taichung to the south, and the Taiwan Strait to the west. Miaoli is Regions of Taiwan, classified as "central Taiwan" by t ...

and

Taichung City Taichung (, Wade–Giles: '), officially Taichung City, is a special municipality in central Taiwan. Taichung is Taiwan's second-largest city, with more than 2.85 million residents, making it the largest city in Central Taiwan. It serves as th ...

for . It reaches the

Taiwan Strait The Taiwan Strait is a strait separating the island of Taiwan and the Asian continent. The strait is part of the South China Sea and connects to the East China Sea to the north. The narrowest part is wide. Names Former names of the Tai ...

between the

Dajia District Dajia District () is a coastal suburban District (Taiwan), district in Taichung, Taiwan. It is located on the northwestern corner of Taichung. The climate of the region is Sub-tropical, and the average temperature is roughly 24 degrees Celsiu ...

and Da'an District, Taichung. The Da'an River was affected by the

1999 Jiji earthquake The Chi-Chi earthquake (later also known as the Jiji earthquake, 921 Earthquake, or the great earthquake of September 21), was a 7.3 Richter magnitude scale, ML or 7.7 Moment magnitude scale, Mw earthquake which occurred in Jiji, Nanto ...

, where a gorge was formed (called Da'an River Grand Canyon ). In some of the fastest erosion geologists have ever seen, the gorge is being eaten away from its upstream end at a rate of 17 meters per year. They expect the gorge to be erased after 50 years.

References

Rivers of Taiwan Landforms of Miaoli County Landforms of Taichung {{Taiwan-river-stub

See also

References