Illifoss is a small waterfall in the Northwest of Iceland on the peninsula Snæfellsnes. The water of the river Setbergsá drops down over appr. 3-5 meters.
The Illifoss is located near road 54 between Stykkishólmur and Breiðabólsstaður. Somewhere halfway there is side road to the farm Setberg. There the waterfall can be found at the river Setbergsá.
The peninsula Snæfellsnes is a region with many waterfalls worthwhile to visit.