Idse is an island in Strand municipality in Rogaland county, Norway. The 4.9-square-kilometre island lies between the Idsefjorden and Høgsfjorden, about 6.5 kilometres west of the town of Jørpeland. The island of Idsal lies immediately to the south of Idse, and the island of Heng lies a short distance north. A bridge connects Idse to Idsal, which in turn is conneā¦Idse is an island in Strand municipality in Rogaland county, Norway. The 4.9-square-kilometre island lies between the Idsefjorden and Høgsfjorden, about 6.5 kilometres west of the town of Jørpeland. The island of Idsal lies immediately to the south of Idse, and the island of Heng lies a short distance north. A bridge connects Idse to Idsal, which in turn is connected to the mainland.