ward ▁through ▁the ▁golf ▁course . ▁ ▁The ▁Ar roy o ▁Sec o ▁goes ▁through ▁Pas ad ena , ▁where ▁it ▁passes ▁the ▁Rose ▁Bowl ▁Stadium ▁as ▁it ▁goes ▁through ▁Brook side ▁Park . ▁The ▁Ar roy o ▁Sec o ▁stream , ▁which ▁is ▁fed ▁by ▁a ▁waters hed ▁of ▁, ▁helps ▁to ▁re pl en ish ▁the ▁Raymond ▁Bas in , ▁an ▁aqu ifer ▁underlying ▁Pas ad ena ▁that ▁provides ▁about ▁half ▁of ▁the ▁local ▁water ▁supply . ▁This ▁ar roy o ▁is ▁one ▁of ▁two ▁major ▁streams ▁that ▁capture ▁ra inf all ▁and ▁storm ▁water ▁in ▁Pas ad ena , ▁the ▁other ▁being ▁E aton ▁W ash ▁on ▁the ▁eastern ▁side ▁of ▁the ▁city , ▁which ▁is ▁a ▁trib ut ary ▁of ▁the ▁Rio ▁H ondo ▁waters hed . ▁▁ ▁The ▁Ar roy o ▁Sec o ▁then ▁passes ▁under ▁the ▁Vent ura ▁Fre ew ay ▁and ▁the ▁Colorado ▁Street ▁Bridge , ▁and ▁it ▁cross es ▁the ▁Raymond ▁F ault ▁at ▁the ▁southern ▁boundary ▁of ▁Pas ad ena ▁at ▁the ▁San ▁Rafael ▁Hills . ▁The ▁channel ▁continues ▁along ▁the ▁western ▁boundary ▁of ▁South ▁Pas ad ena , ▁then ▁into ▁n ortheast ▁Los ▁Angeles ▁flow ing ▁sout heast ▁of ▁the ▁Verd ugo ▁Mountains ▁and ▁Mount ▁Washington . ▁ ▁The ▁Ar roy o ▁Sec o ▁then ▁proceed s ▁through ▁the ▁Los ▁Angeles ▁neighborhood s ▁of ▁High land ▁Park , ▁Herm on , ▁Monte cito ▁He ights , ▁and ▁Cy press ▁Park . ▁It ▁ends ▁at ▁the ▁confl u ence ▁with ▁the ▁Los ▁Angeles ▁River