Cucamonga Valley
The Cucamonga Valley is a region of southwestern San Bernardino County and northwestern Riverside County , in southern California . 
<triplet> Cucamonga Valley <subj> California <obj> located in the administrative territorial entity <triplet> San Bernardino County <subj> Riverside County <obj> shares border with <subj> California <obj> located in the administrative territorial entity <triplet> Riverside County <subj> San Bernardino County <obj> shares border with <subj> California <obj> located in the administrative territorial entity <triplet> California <subj> San Bernardino County <obj> contains administrative territorial entity <subj> Riverside County <obj> contains administrative territorial entity