Ongi River
The Ongi River flows from the southeastern slopes of the Khangai Mountains in Övörkhangai Province for through the endorheic Ongi River Basin in Mongolia and through the aimag capital Arvaikheer . 
<triplet> Ongi River <subj> Övörkhangai Province <obj> located in the administrative territorial entity <subj> Mongolia <obj> country <triplet> Khangai Mountains <subj> Övörkhangai Province <obj> located in the administrative territorial entity <subj> Mongolia <obj> country <triplet> Övörkhangai Province <subj> Mongolia <obj> country <subj> Arvaikheer <obj> capital <triplet> Ongi River <subj> Övörkhangai Province <obj> located in the administrative territorial entity <subj> Mongolia <obj> country <triplet> Mongolia <subj> Övörkhangai Province <obj> contains administrative territorial entity <triplet> Arvaikheer <subj> Övörkhangai Province <obj> located in the administrative territorial entity <subj> Mongolia <obj> country