Olsokbreen, Sør-Spitsbergen National Park

Olsokbreen is a glacier in Sørkapp Land at Spitsbergen, Svalbard. It has a length of about seventeen kilometers, and debouches into the bay Stormbukta at the western shore of Spitsbergen. The glacier front is about five kilometer long. Olsokbreen is a southern branch of the glacier Mefonna, which also has the northern branch Samarinbreen. Tributary glaciers to Olsokbreen are Kvithettbreen and Valettebreen, both coming from the east, from or between the mountains of Snøkrossen, Gråtinden, Kvithetta, Haitanna and Guilbaudtoppen. ()