1 Kings 19:8

So he got up and ate and drank. And strengthened by that food, he walked forty days and forty nights until he reached Horeb, the mountain of God.

Note That is, Mount Sinai, or possibly a mountain in the range containing Mount Sinai

BSB · Berean Standard Bible
And he arose, and did eat and drink, and went in the strength of that meat forty days and forty nights unto Horeb the mount of God.
KJV · King James Version
He arose, and ate and drank, and went in the strength of that food forty days and forty nights to Horeb, God’s Mountain.
WEB · World English Bible
And he arose, and did eat and drink, and went in the strength of that food forty days and forty nights unto Horeb the mount of God.
ASV · American Standard Version

Related passages

From the Treasury of Scripture Knowledge, grouped by the word they explain.

in the strength
Daniel 1:15; 2 Corinthians 12:9
forty days
Exodus 24:18; Exodus 34:28; Deuteronomy 9:9, 18; Matthew 4:2; Mark 1:13; Luke 4:2
Horeb
Exodus 3:1; Exodus 19:18; Malachi 4:4, 5