Complex sentence: The rest of the valley is narrow and has little flat land, running between high mountains; on the west side they reach; and in the Drangafjall range dividing the valley from Öxnadalur, the pointed peak of Hraundrangi (lava column) stands out.
Split into simpler sentences: The rest of the valley is narrow and has little flat land, running between high mountains. On the west side they reach; and in the Drangafjall range dividing the valley from Öxnadalur, the pointed peak of Hraundrangi (lava column) stands out.