. ▁Los ▁Angeles ▁River ▁Center ▁and ▁Gard ens ▁Park ▁Con flu ence ▁of ▁the ▁Ar roy o ▁Sec o ▁and ▁Los ▁Angeles ▁River ▁ ▁See ▁also ▁Art ists ▁of ▁the ▁Ar roy o ▁Sec o ▁( Los ▁Angeles ) ▁List ▁of ▁Los ▁Angeles ▁Historic - C ult ural ▁Mon uments ▁on ▁the ▁East ▁and ▁N ortheast ▁S ides ▁Los ▁Angeles ▁and ▁San ▁Gabriel ▁Valley ▁Rail road ▁R ip arian ▁zone ▁Flo od plain ▁rest oration ▁R ip arian - zone ▁rest oration ▁Urban ▁run off ▁Flo od ▁Control ▁Act ▁of ▁ 1 9 4 1 ▁Los ▁Angeles ▁flo od ▁of ▁ 1 9 3 8 ▁ ▁Ph oto ▁gallery ▁ ▁References ▁ ▁External ▁links ▁ ▁Ar roy o ▁Sec o ▁Foundation ▁City ▁of ▁Pas ad ena : ▁Ar roy o ▁Sec o ▁website ▁Ar roy o ▁Sec o ▁Ne igh bor hood ▁Council ▁— ▁City ▁of ▁Los ▁Angeles ▁neighborhood ▁council ▁for ▁communities / ne igh bor hood s ▁in ▁the ▁Ar roy o ▁Sec o . ▁Angeles ▁National ▁Forest ▁website ▁▁▁ ▁Category : C any ons ▁and ▁g org es ▁of ▁California ▁Category : R ivers ▁of ▁Los ▁Angeles ▁County , ▁California ▁Category : T rib ut aries ▁of ▁the ▁Los ▁Angeles ▁River ▁Category : W ash es ▁of ▁California ▁Category : Land forms ▁of ▁Los ▁Angeles ▁County , ▁California ▁Category : Los ▁Angeles ▁County , ▁California ▁regions ▁Category : San ▁Gabriel ▁Mountains ▁Category : San ▁Gabriel ▁Valley ▁Category : San ▁Rafael ▁Hills ▁Category : Ge ography ▁of ▁Los ▁Angeles ▁Category : Ge