John 18:2

and Judas also, who delivered him up, had known the place, because many times did Jesus assemble there with his disciples.

Luke 21:37

And he was during the days in the temple teaching, and during the nights, going forth, he was lodging at the mount called of Olives;

Luke 22:39

And having gone forth, he went on, according to custom, to the mount of the Olives, and his disciples also followed him,

Mark 11:11-12

And Jesus entered into Jerusalem, and into the temple, and having looked round on all things, it being now evening, he went forth 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 Jesus entered into Jerusalem, and into the temple, and having looked round on all things, it being now evening, he went forth to Bethany with the twelve.
Luke 21:37
And he was during the days in the temple teaching, and during the nights, going forth, he was lodging at the mount called of Olives;
Luke 22:39
And having gone forth, he went on, according to custom, to the mount of the Olives, and his disciples also followed him,

General references

Mark 14:42
rise, we may go, lo, he who is delivering me up hath come nigh.'