Matthew 26:30
And when they had sung an hymn, they went out into the mount of Olives.
Cross-reference
Matthew 21:1 also places Jesus on the Mount of Olives, but at the triumphal entry — same location, different event.
In Mark 14:26, this same event is recorded identically — they sing a hymn and depart to the Mount of Olives.
Luke 22:39 describes Jesus going to the Mount of Olives 'as was his custom' — the same departure after the Last Supper.
John 14:31 records Jesus saying 'Rise, let us go from here' — the immediate command leading to this departure.
John 18:1-4 continues the narrative as Jesus crosses the Kidron to the garden — the destination after singing the hymn.
Psalm 113:1 begins the Hallel psalms traditionally sung at Passover — the very hymn Jesus and his disciples likely sang here.
Acts 1:12 identifies the Mount of Olives as the site of Jesus' ascension — the same mountain he went to after the Last Supper.
Mark 11:1 parallels Matthew 21:1, recording Jesus at the Mount of Olives during the triumphal entry — same mountain as here.