Mark 1:35

Ephesians 6:18 NIV
And pray in the Spirit on all occasions with all kinds of prayers and requests. With this in mind, be alert and always keep on praying for all the Lord’s people.

John 6:15 NIV
Jesus, knowing that they intended to come and make him king by force, withdrew again to a mountain by himself.

Luke 6:12 NIV
One of those days Jesus went out to a mountainside to pray, and spent the night praying to God.