Mount of the valley
Easton, 1897
(Joshua 13:19), a district in the east of Jordan, in the territory of Reuben. The "valley" here was probably the Ghor or valley of the Jordan, and hence the "mount" would be the hilly region in the north end of the Dead Sea. (See ZARETH-SHAHAR.)
Dictionary: M. G. Easton, Illustrated Bible Dictionary (1897, public domain).