Kongsøya

Kongsøya is an island in Svalbard, Norway. It is the largest of the islands in King Charles Land (Kong Karls Land). Its area is . The other main island in the chain is Svenskøya.

nature reserve

strait in Svalbard, Norway

Rivalensundet is a strait in the Svalbard archipelago, separating Kongsøya from Svenskøya both in Kong Karls Land. It has a width of about 14 nautical miles. According to historical records, the strait was discovered in 1859, and first sailed in 1889. It is named after the vessel Rivalen.