פירוש על מלכים ב 19:23

The highest mountains. [This refers to] the Temple Mount.⁷The sacrifices that are offered in the Beis Hamikdosh atoned for the sins and “whitened” them. The verse in Yeshayohu 1:18 states, “If your sins will be like scarlet, they will become as white [=ילבינו] as snow.” See Maseches Gittin 56b and Rashi there.

To the end of the Levanon. [This refers to] the Beis Hamikdosh which whitens [=מלבן] sins.⁸Alternatively “its tallest cedar [trees]” refers to the great leaders and nobles among the Bnei Yisroel.—Radak See Rashi in Bamidbar 13:20.

And I will cut down its tallest cedar [trees]. I will not return until I have destroyed it.⁹”Its remotest lodge,” refers to the Beis Hamikdosh which is the lodging place of the Shechinah.—Radak