▁ ▁as ▁R idge wood ▁locally ) ▁is ▁an ▁un in cor por ated ▁community ▁in ▁H umb old t ▁County , ▁California . ▁It ▁is ▁located ▁ ▁east - n ortheast ▁of ▁Field s ▁Land ing , ▁at ▁an ▁elev ation ▁of ▁ 4 1 7 ▁feet ▁( 1 2 7 ▁m ). ▁This ▁neighborhood ▁is ▁part ▁of ▁un in cor por ated ▁E ure ka , ▁California , ▁located ▁entirely ▁within ▁the ▁ 9 5 5 0 3 ▁zip ▁code . ▁ ▁References ▁ ▁External ▁links ▁ ▁http :// www . ridge wood height s . org / ▁ ▁Category : E ure ka , ▁California ▁Category : Un in cor por ated ▁communities ▁in ▁California <0x0A> </s> ▁Op aki ▁railway ▁station ▁served ▁the ▁small ▁rural ▁village ▁of ▁Op aki , ▁ ▁north ▁of ▁Master ton , ▁in ▁the ▁W air ar apa ▁region ▁of ▁New ▁Zealand ’ s ▁North ▁Island . ▁ ▁It ▁was ▁located ▁on ▁the ▁W air ar apa ▁Line ▁between ▁the ▁stations ▁of ▁ ▁( to ▁the ▁south ) ▁and ▁ ▁( to ▁the ▁north ) ▁with ▁veh icular ▁access ▁from ▁Wing ate ▁Road . ▁ ▁The ▁station ▁opened ▁to ▁all ▁traffic ▁in ▁ 1 8 8 6 ▁along ▁with ▁Kop u ar anga ▁and ▁ ▁and ▁remained ▁in ▁use ▁for ▁ ▁years , ▁seeing ▁a ▁variety ▁of ▁traffic ▁from ▁mixed , ▁goods , ▁and ▁passenger ▁services ▁as ▁well ▁as ▁both ▁steam ▁and ▁dies el ▁mot ive ▁power . ▁ ▁A ▁modal ▁shift ▁from ▁rail ▁to ▁road