What is the waterway that extends north of the dead sea?
the Jordan River
The waterway that extends north of the Dead Sea is the Jordan River. It is a significant and historic river in the Middle East, flowing roughly 251 kilometers (156 miles) in length. To find this answer, you can either rely on your prior knowledge or conduct a quick search using an internet search engine. Simply inputting the question "What is the waterway that extends north of the Dead Sea?" will provide you with the answer.
Michael's right. You can see it on this map.
http://www.thirdtemple.com/images/israel-map/israel.jpg