Chikugo (river)

Chikugo Chikugo-gawa
the river in Kurume
Data
location	Kyushu Island , Japan
River system	Chikugo
source	on the Aso
muzzle	in the Ariake-See coordinates: 33 ° 8 ′ 23 "  N , 130 ° 20 ′ 27"  E 33 ° 8 ′ 23 "  N , 130 ° 20 ′ 27"  E
Mouth height	0  m  TP
length	143 km
Catchment area	2860 km²

The Chikugo ( Japanese 筑 後 川 , Chikugo-gawa ) has its source at Mount Aso and flows through the Japanese prefectures of Kumamoto , Ōita , Fukuoka and Saga into the Ariake Sea .

At 143 kilometers in length, it is the longest river in the Kyūshū . It is named after the ancient Chikugo province to which its lower reaches belonged.