Yet Israel did not burn any of the cities built on their mounds, except Hazor, which Joshua burned.
We have here the same improvement made of this victory as was made of that in the foregoing chapter. 1. The destruction of Hazor is particularly recorded, because in it, and by the king thereof, this daring design against Israel was laid, Jos 11:10, Jos 11:11.
Commenting on Joshua 11:10-14
But as for the cities that stood still in their strength,.... Whose walls were not demolished when taken, as Kimchi and Jarchi interpret it, or that "stood upon their heaps" (y); upon an eminence, being built on hills and mountains: Israel burned none of them; but reserved them for their own habitations, being well fortified, and having no need of new walls being built to...
as for the cities that stood still in their strength--literally, "on their heaps." It was a Phœnician custom to build cities on heights, natural or artificial [HENGSTENBERG].