Darby's Synopsis of the New Testament - Matthew 14:23
14:23 mountain (c-11) Here, as noticed already, 'the mountain' is in contrast with the plain, so of 'the ship.' It is not ' a mountain,' but he left the low ground by the sea and went up. see Note, ch. 4.21. read more
Expository Notes of Dr. Thomas Constable - Matthew 14:23-24
After dismissing the crowd, Jesus walked up the mountainside (NIV) to pray. There are no real mountains in this part of the Galilee coastline, but there are hills that slope down to the lake. He evidently stayed there longer than He had led the disciples to conclude that He would. Perhaps He prayed about the crowd’s attempts to make Him king (John 6:15) among other things.The word "evening," as the Jews used it, covers a period from late afternoon to shortly after sunset (cf. Matthew 14:15).... read more