Joseph Benson's Commentary of the Old and New Testaments - Deuteronomy 1:7-8
Deuteronomy 1:7-8. To the mount of the Amorites That is, to the mountainous country on the south part of Canaan, inhabited chiefly by the Amorites, Deuteronomy 1:19-20; Deuteronomy 1:44. The country to which Moses directed the spies to go up, Numbers 13:17. This order is not mentioned in the book of Numbers, nor a great many other things, for a knowledge of which we are indebted to this supplemental book of Deuteronomy. Behold, I have set the land before you Hebrew, before your faces; ... read more
Albert Barnes' Notes on the Whole Bible - Deuteronomy 1:7
To the mount of the Amorites - i. e. to the mountain district occupied by the Amorites, reaching into the Negeb, and part of the territory assigned to the tribe of Judah. read more