Matthew Henry on 2 Chronicles 27:1–end
There is not much more related here concerning Jotham than we had before, Kg2 15:32, etc.
I. He reigned well. He did that which was right in the sight of the Lord; the course of his reign was good, and pleasing to God, whose favour he made his end, and his word his rule, and (which shows that he acted from a good principle) he prepared his ways before the Lord his God (Ch2 27:6), that is, he walked circumspectly and with much caution, contrived how to shun that which was evil and compass that which was good. He looked before him, and cast his affairs into such a posture and method as made the regular management of them the more easy. Or he established or fixed his ways before the Lord, that…
Read the whole note in the consoleJamieson-Fausset-Brown on 2 Chronicles 27:4
in the mountains of Judah, and in the forests he built castles and towers--that is, in the elevated and wooded spots where fortified cities could not be placed, he erected castles and towers.
Adam Clarke on 2 Chronicles 27:4
Castles and towers - These he built for the protection of the country people against marauders.
John Gill on 2 Chronicles 27:4
Moreover, he built cities in the mountains of Judah,.... In the mountainous part of it, the hill country of Judea, Luke 1:65,
and in the forests he built castles and towers; for the safety of travellers, and of shepherds and their flocks, see 2 Chronicles 26:10.
Tyndale Open Study Notes on 2 Chronicles 27:3-4
Jotham’s rebuilding endeavors were like those of his father; he continued the work of restoration begun by Uzziah. He also constructed fortresses and towers in the forests, providing a network of lookouts and highway defenses within the kingdom and on the frontier.