'Mount' in the Bible

Then did they return to Jerusalem from the mount that is called of Olives, that is near Jerusalem, a sabbath's journey;

and forty years having been fulfilled, there appeared to him in the wilderness of mount Sinai a messenger of the Lord, in a flame of fire of a bush,

'This is he who was in the assembly in the wilderness, with the messenger who is speaking to him in the mount Sinai, and with our fathers who did receive the living oracles to give to us;