Joshua 16:8

Overview - Joshua 16
The general borders of the sons of Joseph.
The border of the inheritance of Ephraim.
10 The Canaanites of Gezer not conquered.
Treasury of Scripture Knowledge

Joshua 16:8  (King James Version)
The border went out from Tappuah westward unto the river Kanah; and the goings out thereof were at the sea. This is the inheritance of the tribe of the children of Ephraim by their families.

12:17 17:8

river Kanah
17:9 19:28

the sea
3-6 ; Numbers 34:6