Yilan Plain (), also called the Lanyang Plain (), or historically Kabalan (), Kapsulan (), Komalan () is a

plain In geography, a plain is a flat expanse of land that generally does not change much in elevation, and is primarily treeless. Plains occur as lowlands along valleys or at the base of mountains, as coastal plains, and as plateaus or uplands ...

in Yilan County,

Taiwan Taiwan, officially the Republic of China (ROC), is a country in East Asia, at the junction of the East and South China Seas in the northwestern Pacific Ocean, with the People's Republic of China (PRC) to the northwest, Japan to the nort ...

. The plain has an

alluvial fan An alluvial fan is an accumulation of sediments that fans outwards from a concentrated source of sediments, such as a narrow canyon emerging from an escarpment. They are characteristic of mountainous terrain in arid to semiarid climates, but a ...

which formed by

Lanyang River The Lanyang River () is a river in northeast Taiwan. Geology The river flows through Yilan County for 73 kilometers. It has a drainage basin area of 978 km2 with maximum peak flow of 5,420 m3/s. See also *List of rivers in Taiwan This is ...

. The plain was formed in the shape of nearly equilateral triangle. The broad and flat feature of this plan has made transportation so convenient in the region which drew large population to the

towns A town is a human settlement. Towns are generally larger than villages and smaller than cities, though the criteria to distinguish between them vary considerably in different parts of the world. Origin and use The word "town" shares an ori ...

and

cities A city is a human settlement of notable size.Goodall, B. (1987) ''The Penguin Dictionary of Human Geography''. London: Penguin.Kuper, A. and Kuper, J., eds (1996) ''The Social Science Encyclopedia''. 2nd edition. London: Routledge. It can be def ...

in the area. The plain was inhabited by the Kavalans, an aboriginal group which mostly had migrated to southern places such as Hualien and Taitung.

References

Plains of Taiwan Landforms of Yilan County, Taiwan {{Taiwan-geo-stub