Tappuah

Joshua 12:17
the king of Tappuah, one; the king of Hepher, one;

Joshua 17:8
The region of Tappuah belonged to Manasseh, but Tappuah itself, on the border of Manasseh, belonged to Ephraim.

river Kanah

Joshua 17:9
From there the border continued southward to the Brook of Kanah. There were cities belonging to Ephraim among the cities of Manasseh, but the border of Manasseh was on the north side of the brook and ended at the Sea.

Joshua 19:28
It went on to Ebron, Rehob, Hammon, and Kanah, as far as Greater Sidon.

the sea

Joshua 16:3-6
Then it descended westward to the border of the Japhletites as far as the border of lower Beth-horon, then to Gezer, and ended at the Sea. . . .

Numbers 34:6
Your western border will be the coastline of the Great Sea; this will be your boundary on the west.