Rivers State topographic maps

Average elevation: 2 m

Average elevation: 9 m

Average elevation: 3 m

Average elevation: 15 m

Average elevation: 11 m

Average elevation: 6 m

Covering around 90 sq mi (230 km2), Obio-Akpor is generally a lowland area with average elevation below 30 metres above sea level. Its geology comprises basically of alluvial sedimentary basin and basement complex. The thick mangrove forest, raffia palms and light rainforest are the major types of vegetation.…

Average elevation: 14 m

Average elevation: 13 m

Average elevation: 15 m

Average elevation: 5 m