Kvernufoss waterfall in South Iceland is a hidden gem cascading down 98 feet from lava rock cliffs. Often overlooked by tourists in favor of the nearby Skogafoss waterfall, Kvernufoss offers a quieter and more intimate experience. Visitors can even walk behind the falls for a unique perspective. With its moss-coated volcanic rocks and potential for rainbows on sunny days, Kvernufoss is a photographer's dream. Just a short hike from the Skogar Cultural Heritage Museum, this off-the-beaten-path waterfall is a must-visit for those seeking a peaceful and picturesque adventure in Iceland.