Israel National Parks and Nature Reserves, by Azaria Alon, is a must book for those who plan to visit more than the popular few of the parks and reserves in Israel. It is published by Carta (Jerusalem), and distributed by Eisenbraun’s in the USA. Click on the link here to go directly to the description and order info.
Here is Alon’s description of the Nahal Dan (Nahr el-Leddan; River Dan):
Nahal Dan is situated in the heart of an area known as “the land of streams and rivers,” and indeed, in the Nahal and along its margins, water and vegetation are present in abundance. The Nahal has a single principal source but it is also fed by dozens of smaller springs. Walking in this environment one has the feeling of springs emerging everywhere. All this water has its origin from the winter snows on Mt. Hermon. The snow melts slowly, seeps into the sponge-like earth of the mountain, and emerges in the foothills. The water flows quietly from the springs, but it continues down an ever-increasing slope, turning into a torrent and generating standing waves and foam. When the stream emerges from the nature reserve, it splits into several rivulets which rejoin when it encounters Nahal Hermon to form the Jordan River.
Nahal Hermon is more commonly known as the Nahr Banias which begins at the site of Caesarea Philippi.
Here is a view of the Nahal Dan within the Tel Dan Nature Reserve.
And here is one of the springs. This one is located immediately below the northwest corner of Tel Dan.
Dan is Israel’s northernmost city (Judges 18:29).