I've always wanted to collect these verses from the gospels. You can see the theme.
"Then Jesus was led up by the Spirit into the wilderness..."
Matthew 4:1
"And Jesus, walking by the sea of Galilee..."
Matthew 4:18
"And seeing the multitudes, He went up on a mountain..."
Matthew 5:1
"And when Jesus saw great multitudes about Him, He gave a command to depart to the other side."
Matthew 8:18
"But when Jesus knew it, He withdrew from there."
Matthew 12:15
"...Jesus went out of the house and sat by the sea."
Matthew 13:1
"Then Jesus sent the multitude away and went into the house."
Matthew 13:36
"...He departed from there by boat to a deserted place by Himself.
Matthew 14:13
"And when He had sent the multitudes away, He went up on the mountain by Himself to pray. Now when evening came, He was alone there."
Matthew 14:23
"Jesus departed from there, skirted the sea of Galilee, and went up on the mountain and sat down there."
Matthew 15:29
"Now as He sat on the mount of Olives..."
Matthew 24:3
"...The Spirit drove Him into the wilderness."
Mark 1:16
"Now in the morning, having risen a long while before daylight, He went out and departed to a solitary place; and there He prayed."
Mark 1:35
"Jesus could no longer openly enter the city, but was outside in deserted places..."
Mark 1:45
"Then He went out again by the sea..."
Mark 2:13
"But Jesus withdrew with His disciples to the sea."
Mark 3:7
"...He told His disciples that a small boat should be kept ready for Him because of the multitude, lest they should crush Him."
Mark 3:9
"And He went up on the mountain and called to Him those He Himself wanted."
Mark 3:13
"But when He was alone..."
Mark 4:10
"And He said to them, 'Come aside by yourselves to a deserted place and rest awhile.'"
Mark 6:31
"...He departed to the mountain to pray. Now when evening came... He was alone on the land."
Mark 6:46-47
"Now as He sat on the Mount of Olives..."
Mark 13:3
"Again He went away and prayed..."
Mark 14:39
"Now when it was day, He departed and went into a deserted place."
Luke 4:42
"So He Himself often withdrew into the wilderness and prayed."
Luke 5:16
"He went out to the mountain to pray, and continued all night in prayer to God."
Luke 6:12
"Then He took them and went aside privately into a deserted place..."
Luke 9:10
"When He had said this, He went on ahead..."
Luke 19:28
"...at night He went out and stayed on the mountain called Olivet."
Luke 21:37
"And Jesus went up on the mountain, and there He sat with His disciples."
John 6:3
"...He departed again to the mountain by Himself alone."
John 6:15
"But Jesus went to the Mount of Olives."
John 8:1
"And He went away again beyond the Jordan to the place where John was baptizing at first, and there He stayed."
John 10:40
“O Jerusalem, Jerusalem, the one who kills the prophets and stones those who are sent to her! How often I wanted to gather your children together, as a hen gathers her chicks under her wings, but you were not willing!"
Matthew 23:37