Mulafoss (Múlafoss) is one of many waterfalls by this name, but this one sits under an overlook of the scenic Seyðisfjörður near the pass at Fjarðarheiði.
Fardagafoss was a conspicuous waterfall with a cave and bonus waterfall both of which are upslope from the town of Egilsstaðir on the road to Seyðisfjörður.
Gufufoss is the largest of the many waterfalls upslope of Seyðisfjörður. In addition to its size, it stood out with its block shape and namesake mist thrown up.
Buðarárfoss and the Seyðisfjörður Waterfalls page is my acknowledgement of the many waterfalls here, but a landslide compelled me to single out one of them.