Luke 5:16

But Jesus himself would retire into the desert and pray.

Matthew 14:23

After he had dismissed them he went up the hill by himself to pray. And when evening came on he was there alone,

Luke 6:12

It was in those days that he went up on the mountain to pray, and passed the whole night in prayer to God.

Mark 1:35-36

Early in the morning, long before daylight, he got up and left the house and went off to a lonely spot, and prayed there.

Mark 6:46

When he had taken leave of the people he went up the hill to pray.

John 6:15

So Jesus, seeing that they meant to come and carry him off to make him king, retired again to the hill by himself.

Treasury of Scripture Knowledge

Summary

And he withdrew himself into the wilderness, and prayed.

Bible References

General references

Luke 6:12
It was in those days that he went up on the mountain to pray, and passed the whole night in prayer to God.
Matthew 14:23
After he had dismissed them he went up the hill by himself to pray. And when evening came on he was there alone,
Mark 1:35
Early in the morning, long before daylight, he got up and left the house and went off to a lonely spot, and prayed there.
Mark 6:46
When he had taken leave of the people he went up the hill to pray.
John 6:15
So Jesus, seeing that they meant to come and carry him off to make him king, retired again to the hill by himself.