Yilan Plain
Coordinates: 24°42′56″N 121°47′3″E / 24.71556°N 121.78417°E
Yilan Plain (Chinese: 宜蘭平原; pinyin: Yilán Píngyuán), also called the Lanyang Plain (蘭陽平原), or historically Kabalan (Chinese: ; Pe̍h-ōe-jī: Kap-á-lān), Kapsulan (; Kap-chú-lân), Komalan (; Kat-má-lán), etc. This plains area is located at Yilan County of northeastern Taiwan. The Plain has an alluvial fan which formed by Lanyang River. The plain was formed in the shape of nearly equilateral triangle. The broad and plat feature of this plan has made transportation so convenient in the region which drew large population to the towns and city in the area.
The plain was resided by the Kavalans, an aboriginal group which mostly had migrated to southern places such as Hualien and Taitung.
...
Wikipedia