Simplify the following text for a Grade 9 native English-speaking person.
Original: The Sea of Galilee ( Kinneret ) is situated in northern Israel , near the Golan Heights , in the Jordan Great Rift Valley , the valley caused by the separation of the African and Arabian Plates .
Simplified: The lake is deep in the Jordan Great Rift Valley , the valley caused by the separation of the African and Arabian Plates .