The hills were covered with the shadow of it Its branches extended themselves over all the hills and mountains of Canaan; that is, the people multiplied so much, and became so numerous, that they filled not only the fruitful valleys, but even the barren mountains. And the boughs whereof were like the goodly cedars Very different from those of ordinary vines, whose boughs are weak and small, and creep upon the walls, on other trees, or on the ground. Israel not only had abundance of men, but those mighty men of valour. She sent out her boughs unto the sea That is, to the Mediterranean sea; and her branches unto the river The river Euphrates, alluding to the extent of the Israelitish dominions in the time of David and Solomon.
Related Commentaries of Psalms 80:10
Psalms 80:10-11
10 The hills were covered with the shadow of it, and the boughs thereof were like the goodlyb cedars.
11 She sent out her boughs unto the sea, and her branches unto the river.