▁distinct ▁environment ▁from ▁the ▁other ▁mountains . ▁ ▁From ▁the ▁for ested ▁southern ▁plate au ▁the ▁land ▁r ises ▁north ward ▁to ▁the ▁grass y , ▁rug ged ▁Ad ama ou a ▁( Ad am awa ) ▁high lands . ▁St retch ing ▁across ▁Cam ero on ▁from ▁the ▁western ▁mountain ▁area , ▁the ▁Ad ama ou a ▁forms ▁a ▁bar rier ▁between ▁the ▁north ▁and ▁south . ▁Its ▁average ▁elev ation ▁is ▁. ▁ ▁The ▁southern ▁sav anna ▁plain ▁extends ▁from ▁the ▁edge ▁of ▁the ▁Ad ama ou a ▁to ▁Lake ▁Ch ad . ▁Its ▁characteristic ▁veget ation ▁is ▁scr ub ▁and ▁grass . ▁This ▁is ▁region ▁of ▁sparse ▁ra inf all ▁and ▁high ▁median ▁temper atures ▁has ▁been ▁included ▁as ▁part ▁of ▁the ▁East ▁Sud an ian ▁sav anna ▁e cor eg ion . ▁ ▁Cl imate ▁▁▁ ▁The ▁climate ▁var ies ▁with ▁terrain , ▁from ▁tropical ▁along ▁the ▁coast ▁to ▁sem iar id ▁and ▁hot ▁in ▁the ▁north . ▁Ex ceed ingly ▁hot ▁and ▁hum id , ▁the ▁coast al ▁bel t ▁includes ▁some ▁of ▁the ▁wet test ▁places ▁on ▁earth . ▁For ▁example , ▁Deb und sch a , ▁at ▁the ▁base ▁of ▁M t . ▁Cam ero on , ▁has ▁an ▁average ▁annual ▁ra inf all ▁of ▁. ▁ ▁R ivers ▁The ▁country ▁has ▁four ▁patterns ▁of ▁d rain age . ▁In ▁the ▁south , ▁the ▁principal ▁rivers ▁flow ▁south west ward ▁or ▁west ward ▁directly ▁to ▁the ▁G ulf ▁of ▁Guinea ▁– ▁the ▁W ouri , ▁and