Dunderdalen
Dunderdalen is a valley on Wedel Jarlsberg Land within the Sør-Spitsbergen National Park , on the southwestern part of Spitsbergen , Svalbard . 
<triplet> Dunderdalen <subj> Svalbard <obj> located in the administrative territorial entity <triplet> Wedel Jarlsberg Land <subj> Svalbard <obj> located in the administrative territorial entity <triplet> Sør-Spitsbergen National Park <subj> Wedel Jarlsberg Land <obj> has part <subj> Svalbard <obj> located in the administrative territorial entity <triplet> Spitsbergen <subj> Svalbard <obj> part of <triplet> Svalbard <subj> Spitsbergen <obj> has part