Ytterdalen ("The outer valley") is a valley in Nordenskiöld Land at Spitsbergen, Svalbard. It has a length of about nine kilometers, and is located between the mountains of Flynibba, GrÃÂ¥nutane, Ytterdalsegga, YtterdalssÃÂ¥ta, Skarkampen and Salen. The river of Ytterdalselva from the glacier of Erdmannbreen flows through the valley, and further crosses LÃÂ¥gnesflya on its way to the bay of Van Muydenbukta.