Cross River (river)

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Cross River
The course of the Cross River

The course of the Cross River

location CameroonCameroon Cameroon Nigeria
River system Cross River
origin Confluence of the Manyu with a small river northwest of the Mamfe
5 ° 51 ′ 20 ″  N , 9 ° 13 ′ 13 ″  E
muzzle in the southeast of Nigeria in the Bay of Bonny Coordinates: 4 ° 35 ′ 0 ″  N , 8 ° 25 ′ 0 ″  E, 4 ° 35 ′ 0 ″  N , 8 ° 25 ′ 0 ″  E
Mouth height m

length 600 km
Catchment area 54,000 km²
Drain MNQ
170 m³ / s
913 m³ / s
Discharge at the Mamfe
A Eo gauge : 6810 km²
min.month Ø) MNQ 1967-1877
MQ 1967-1877
Mq 1967-1877
MHQ 1967-1877 HHQ ( max.month Ø)
32.2 m³ / s
60.7 m³ / s
569 m³ / s
83.6 l / (s km²)
1555 m³ / s
2270 m³ / s
Medium-sized cities Mamfe , Ikom
Navigable At high tide to Mamfe
Cross River near the town of Mamfe.

Cross River near the town of Mamfe.

The Cross River (formerly also Kreuzfluss in German ) is a river in southeastern Nigeria . It rises in the highlands of Cameroon .


The Bermin Lake in the Bakossi Mountains belongs to its headwaters and initially flows west to Nigeria. There it takes a southwest direction and a southern direction after the confluence with its tributaries Aya River and Aboine River. The total length of the river from its source to its mouth in Bonny Bay is 489 km. Its banks are lined with tropical rainforest , oil palm plantations and mangroves . It is navigable and an important waterway in eastern Nigeria.

At its mouth, together with the Calabar River and the Akpa Yafi, it forms the Cross River estuary on which the port city of Calabar is located and which is separated from the Rio del Rey estuary by the Bakassi Peninsula .

The Nigerian state of Cross River , which lies east of the river, was named after the Cross River .


The flow rate of the Cross-River was measured in Mamfe in a good 10% of the catchment area in m³ / s.


The lower reaches of the Cross River were discovered and explored by Portuguese sailors in the 15th century, and the upper reaches in the early 1840s by the British John Beecroft .

See also


Web links

Commons : Cross River  - collection of images, videos and audio files

Individual evidence

  1. ^ A b c Studies on the Physico - chemical Parameters of the fresh water segment of the Lower Cross River System, South Eastern Nigeria , accessed October 25, 2015
  2. a b PDF on the hydrology of Cameroon (French) Accessed November 20, 2019
  3. Excerpt from the German Colonial Lexicon , accessed on October 25, 2015