Hollendardalen is a valley in Nordenskiöld Land at Spitsbergen, Svalbard. The valley has a length of about sixteen kilometers, extending from Passfjellbreen to Isfjorden.[1] Hollendarelva flows through the valley from Passfjordbreen, ending in Hollendarbukta.[2] The mountain range Kolspissfjella is located south of the valley, and Kjeglefjella at the northern side.