9 Then the boundary continued south to the Kanah Ravine. There were towns belonging to Ephraim lying among the towns of Manasseh, but the boundary of Manasseh was the northern side of the ravine and ended at the Mediterranean Sea.

Read Joshua 17:9 Using Other Translations

And the coast descended unto the river Kanah, southward of the river: these cities of Ephraim are among the cities of Manasseh: the coast of Manasseh also was on the north side of the river, and the outgoings of it were at the sea:
Then the boundary went down to the brook Kanah. These cities, to the south of the brook, among the cities of Manasseh, belong to Ephraim. Then the boundary of Manasseh goes on the north side of the brook and ends at the sea,
From the spring of Tappuah, the boundary of Manasseh followed the Kanah Ravine to the Mediterranean Sea. Several towns south of the ravine were inside Manasseh’s territory, but they actually belonged to the tribe of Ephraim.