Mount of Olives marked by numerous olive groves. Jesus went to the olive grove in  Gethsemane to pray after the Last Supper before his arrest. Kidron Valley between the Temple Mount and the Mount of Olives

Kidron Valley & Mount of Olives Mount of Olives looking towards the Dome of the Rock on the Temple Mount  Jesus wept over the city of Jerusalem from this Mount. Tombs and monuments known as Zechariah's tomb and Absalom's  Pillar in the Kidron Valley

 And he came out, and went, as was his custom, to the Mount of Olives; and the disciples followed him.  And when he came to the place he said to them, "Pray that you may not enter into temptation."
                                                                                                                                                                                     - Luke 22:39-40