Book of Jubilees 8:16
And it extends towards the east, till it reaches the Garden of Eden, to the south thereof, [to the south] and from the east of the whole land of Eden and of the whole east, it turns to the east and proceeds till it reaches the east of the mountain named Rafa, and it descends to the bank of the mouth of the river Tina.
Background and history of Book of Jubilees, and issues with this book.
R. H. Charles, The Book of Jubilees, in The Apocrypha and Pseudepigrapha of the Old Testament, vol. 2 (Oxford: Clarendon Press, 1913). Public domain in the United States (published 1913). Charles died in 1931, so the book is in the public domain in the United Kingdom. The verse text is the Joshua Williams transcription at pseudepigrapha.com. Jubilees 1:8 and 1:9 are divided at the break in the 1902 Clarendon scan (archive.org bookofjubileesor00char), where verse 9 begins “For they will forget.” That scan also numbers the angel-of-the-presence sentence as 1:29. Editorial brackets in the translation are Charles’s.