Dunderdalen
Dunderdalen is a valley on Wedel Jarlsberg Land within the Sør-Spitsbergen National Park, on the southwestern part of Spitsbergen, Svalbard. The valley has a length of about 16 km, and opens into Dunderbukta.
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Wikipedia
Dunderdalen is a valley on Wedel Jarlsberg Land within the Sør-Spitsbergen National Park, on the southwestern part of Spitsbergen, Svalbard. The valley has a length of about 16 km, and opens into Dunderbukta.