Wikipedia
Riverrise
Riverrise is a fictional spring from Paul Stewart's fantasy series The Edge Chronicles.
Riverrise is the legendary source of the Edgewater River. The spring is located on a sharp summit of rock at "The black heart of the Deepwoods", and has a sacred garden at the very top. The garden was once home to Kobold the Wise, a great leader of the various tribes of the ancient Deepwoods. The legend that surrounds it is called The Myth of Riverrise