da - W er ra ▁High lands ▁and ▁the ▁Rh ön . ▁ ▁Right ▁hand ▁trib ut aries ▁of ▁the ▁middle ▁and ▁lower ▁reaches ▁of ▁the ▁Schw alm , ▁which ▁lie ▁almost ▁entirely ▁in ▁the ▁West ▁H esse ▁De pression , ▁dra ins ▁the ▁western ▁part ▁of ▁the ▁area , ▁whilst ▁left ▁hand ▁trib ut aries ▁of ▁the ▁Wer ra ▁d rain ▁the ▁east . ▁Only ▁the ▁source ▁of ▁the ▁Schw alm ▁and ▁the ▁mouth ▁of ▁the ▁Wer ra ▁lie ▁within ▁the ▁High lands ▁themselves . ▁ ▁The ▁trib ut aries ▁are ▁also ▁north ▁of ▁the ▁Rh ine - W es er ▁waters hed , ▁apart ▁from ▁the ▁Oh m ▁the ▁only ▁trib ut ary ▁of ▁the ▁L ahn , ▁which ▁is ▁clearly ▁orient ed ▁in ▁a ▁south - to - n orth ▁direction , ▁whilst ▁the ▁streams ▁running ▁into ▁the ▁Main ▁trib ut aries ▁of ▁the ▁N id da , ▁Kin zig ▁and ▁Fran con ian ▁Sa ale ▁flow ▁south . ▁▁ ▁Table ▁of ▁most ▁important ▁rivers ▁▁ ▁The ▁most ▁important ▁rivers ▁of ▁the ▁East ▁H esse ▁High lands ▁are ▁listed ▁in ▁the ▁following ▁table , ▁in ▁clock wise ▁order , ▁beginning ▁on ▁the ▁north ▁side ▁of ▁the ▁Rh ine - W es er ▁waters hed ▁by ▁the ▁Vog els berg . ▁For ▁a ▁better ▁over view ▁or ▁to ▁see ▁them ▁listed ▁in ▁a ▁down stream ▁order , ▁by ▁river ▁system , ▁enter ▁the ▁D G K Z ▁numbers ▁after ▁the ▁number ▁of ▁the ▁parent ▁river ▁followed ▁by ▁a ▁dash . ▁River