'Mount' in the Bible

Now when they approached Jerusalem and came to Bethphage, at the Mount of Olives, Jesus sent two disciples,

As he was sitting on the Mount of Olives, his disciples came to him privately and said, "Tell us, when will these things happen? And what will be the sign of your coming and of the end of the age?"

After singing a hymn, they went out to the Mount of Olives.