ensive ▁mix ▁of ▁all ▁l ith ologies ▁crossed ▁by ▁the ▁river . ▁From ▁up stream ▁to ▁down stream , ▁the ▁following ▁l ith ological ▁units ▁occur ▁in ▁the ▁catch ment . ▁ ▁Upper ▁bas alt ▁ ▁Inter bed ded ▁lac ustr ine ▁depos its ▁ ▁Lower ▁bas alt ▁ ▁Am ba ▁Ar ad am ▁Form ation ▁ ▁Ad ig rat ▁Sand stone ▁ ▁Ed aga ▁Ar bi ▁Gla ci als ▁ ▁From ▁upper ▁to ▁lower ▁T emb ien ▁During ▁its ▁course , ▁this ▁river ▁passes ▁through ▁two ▁w ored as . ▁On ▁the ▁various ▁parts : ▁ ▁The ▁head w aters ▁are ▁in ▁Dog u ’ a ▁T emb ien ▁ ▁Most ▁of ▁the ▁lower ▁plain ▁is ▁in ▁K ola ▁T emb ien ▁ ▁Tre kk ing ▁along ▁the ▁river ▁Tre kk ing ▁routes ▁have ▁been ▁established ▁across ▁and ▁along ▁this ▁river . ▁The ▁tracks ▁are ▁not ▁marked ▁on ▁the ▁ground ▁but ▁can ▁be ▁followed ▁using ▁downloaded ▁. GP X ▁files . ▁ ▁Tre k ▁ 5 , ▁along ▁upper ▁part ▁of ▁the ▁river ▁ ▁Tre k ▁S 3 , ▁along ▁the ▁lower ▁part , ▁potentially ▁down ▁to ▁Te ke z é ▁River ▁In ▁the ▁ra iny ▁season , ▁flash ▁flo ods ▁may ▁occur ▁and ▁it ▁is ▁ad vised ▁not ▁to ▁follow ▁the ▁river ▁bed . ▁In ▁the ▁lower ▁part , ▁it ▁may ▁be ▁impossible ▁to ▁cross ▁the ▁river ▁in ▁the ▁ra iny ▁season . ▁ ▁Gallery ▁ ▁See ▁also ▁▁ ▁List ▁of ▁Eth iop ian ▁rivers ▁ ▁References ▁ ▁Category : R