Göngumannafoss is one of the waterfalls downstream from Dynjandi. There is a small “viewing platform” at Göngumannafoss where you can rest while climbing up to Dynjandi.
On the southern shore of Þorskafjörður lies Buná, a waterfall that cascades directly from the mountain into the sea. It's not one of the tallest or most famous waterfalls, but …