Jengelvatnet (Giengelvihke) is a lake in Norway that lies on the borders of the municipalities of Røyrvik (in Nord-Trøndelag county) and Grane and Hattfjelldal (in Nordland county). The lake lies inside Børgefjell National Park and it drains to the south into the lake Namsvatnet. ... Found on http://en.wikipedia.org/wiki/Jengelvatnet