Mount Perazim

per´a-zim, pḗ-ra´zim (הר־ פּרצים, har-perācīm, "Mount of breaches"):

Found only in (Isaiah 28:21). “YHWH will rise up as in mount Perazim” (Isaiah 28:21). It is usually considered to be identical with Baal-Perazim (which see), where David obtained a victory over the Philistines (2 Samuel 5:20; 1 Chronicles 14:11).