Reynisfjall is a striking tuff mountain located on Iceland's South Coast, known for its impressive height and stunning surroundings. It stands next to the famous black-sand beach Reynisfjara and the basalt sea stacks Reynisdrangar, which are said to be petrified trolls. Visitors often stop by Reynisfjall while exploring the popular South Coast route, where they can marvel at the unique natural beauty of this iconic location.