'High Mountain' in the Bible

Against all the high mountains,Against all the hills that are lifted up,

On every lofty mountain and on every high hill there will be streams of water on the day of the great slaughter (the day of the Lord), when the towers fall [and all His enemies are destroyed].

O Zion, herald of good news,Get up on a high mountain.O Jerusalem, herald of good news,Lift up your voice with strength,Lift it up, do not fear;Say to the cities of Judah,“Here is your God!”

“Upon a high and lofty mountainYou have [openly and shamelessly] made your [idolatrous and adulterous] bed;Even there you went up to offer sacrifice [to idols, in spiritual unfaithfulness to Me].