The Rotsandnollen is a mountain of the Urner Alps, located between Melchsee-Frutt and Engelberg in Central Switzerland. The summit is located on the border between the cantons of Nidwalden and Obwalden. References External links Rotsandnollen on Hikr Mountains of the Alps Mountains of Switzerland Mountains of Obwalden Mountains of Nidwalden Nidwalden–Obwalden border Two-thousanders of Switzerland Kerns, Switzerland