Matthew 14:23
And having dismissed the crowds, he went up into the mountain apart to pray. And when even was come, he was alone there,
Luke 6:12
And it came to pass in those days that he went out into the mountain to pray, and he spent the night in prayer to God.
Mark 6:46
And, having dismissed them, he departed into the mountain to pray.
Matthew 6:6
But thou, when thou prayest, enter into thy chamber, and having shut thy door, pray to thy Father who is in secret, and thy Father who sees in secret will render it to thee.
Matthew 26:36
Then Jesus comes with them to a place called Gethsemane, and says to the disciples, Sit here until I go away and pray yonder.
Luke 9:28
And it came to pass after these words, about eight days, that taking Peter and John and James he went up into a mountain to pray.
John 6:15-17
Jesus therefore knowing that they were going to come and seize him, that they might make him king, departed again to the mountain himself alone.
Acts 6:4
but we will give ourselves up to prayer and the ministry of the word.