John 18:2

And Judas also, who delivered him up, knew the place, because Jesus was often there, in company with his disciples.

Luke 21:37

And by day he was teaching in the temple, and by night, going out, he remained abroad on the mountain called the mount of Olives;

Luke 22:39

And going forth he went according to his custom to the mount of Olives, and the disciples also followed him.

Mark 11:11-12

And he entered into Jerusalem and into the temple; and having looked round on all things, the hour being already late, he went out to Bethany with the twelve.

Treasury of Scripture Knowledge

Summary

And Judas also, which betrayed him, knew the place: for Jesus ofttimes resorted thither with his disciples.

General references

Bible References

For

Mark 11:11
And he entered into Jerusalem and into the temple; and having looked round on all things, the hour being already late, he went out to Bethany with the twelve.
Luke 21:37
And by day he was teaching in the temple, and by night, going out, he remained abroad on the mountain called the mount of Olives;
Luke 22:39
And going forth he went according to his custom to the mount of Olives, and the disciples also followed him.

General references

Mark 14:42
Arise, let us go; behold, he that delivers me up has drawn nigh.