▁the ▁stream ▁called ▁Ry chen bach ▁in ▁the ▁Bern ese ▁Ober land ▁region ▁of ▁Switzerland . ▁They ▁drop ▁over ▁a ▁total ▁change ▁of ▁alt itude ▁of ▁about ▁. ▁At ▁, ▁of ▁which ▁the ▁Grand ▁Reich en bach ▁Fall ▁( ), ▁the ▁upper ▁one , ▁is ▁by ▁far ▁the ▁largest ▁one ▁and ▁one ▁of ▁the ▁higher ▁water falls ▁in ▁the ▁Al ps ▁and ▁among ▁the ▁forty ▁highest ▁in ▁Switzerland . ▁ ▁The ▁Ry chen bach ▁los es ▁ ▁of ▁height ▁from ▁the ▁top ▁of ▁the ▁falls ▁to ▁the ▁valley ▁floor ▁of ▁the ▁Has l ital . ▁Today , ▁a ▁hydro - elect ric ▁power ▁company ▁har ness es ▁the ▁flow ▁of ▁the ▁Reich en bach ▁F alls ▁during ▁certain ▁times ▁of ▁year , ▁reducing ▁its ▁flow . ▁ ▁In ▁popular ▁literature , ▁Sir ▁Arthur ▁Con an ▁Do yle ▁gave ▁the ▁Grand ▁( or ▁Great ) ▁Reich en bach ▁Fall ▁as ▁the ▁location ▁of ▁the ▁final ▁physical ▁alter cation ▁between ▁his ▁hero ▁Sher lock ▁Hol mes ▁and ▁his ▁greatest ▁fo e , ▁the ▁criminal ▁Professor ▁Mor i art y ▁in ▁" The ▁Final ▁Problem ". ▁ ▁Location ▁The ▁falls ▁are ▁located ▁in ▁the ▁lower ▁part ▁of ▁the ▁Reich en b acht al , ▁on ▁the ▁Ry chen bach , ▁a ▁trib ut ary ▁( from ▁the ▁south ▁bank ) ▁of ▁the ▁A are . ▁They ▁are ▁some ▁ ▁south ▁of ▁the ▁town ▁of ▁Me ir ingen , ▁and ▁ ▁east ▁of ▁Inter la ken . ▁Polit ically , ▁the ▁falls ▁are ▁within ▁the ▁municipality ▁of