Verses with the word hethlon in the Old Testament (2 verses):

Ezekiel 47:15
And this shall be the border of the land toward the north side, from the great sea, the way of Hethlon, as men go to Zedad;

Ezekiel 48:1
Now these are the names of the tribes. From the north end to the coast of the way of Hethlon, as one goeth to Hamath, Hazarenan, the border of Damascus northward, to the coast of Hamath; for these are his sides east and west; a portion for Dan.