Matthew 14:23
and when He had dismissed them, He went up to a hill in private to pray.
Luke 6:12
And in those days He went out to a mountain to pray, and He continued all night in prayer to God.
Mark 6:46
and when He had sent them away, He retired into a mountain to pray.
Matthew 6:6
But thou, when thou prayest, enter into thy closet, and when thou hast shut thy door, pray to thy Father who is in secret, and thy Father who seeth in secret, will reward thee openly.
Matthew 26:36
Then went Jesus with them to a place called Gethsemane, and saith to the disciples, Sit here, while I go there and pray:
Luke 9:28
About eight days after these discourses, He took Peter, and John, and James, and went up to a mountain to pray.
John 6:15-17
Jesus therefore knowing that they would come, and take Him by force if possible, to make Him king, retired again to the mountain Himself alone.
Acts 6:4
but we will constantly attend to prayer, and to the ministry of the word.