Reykjahlíð is a village located on the shores of Lake Mývatn in northern Iceland. It serves as the seat of the municipality of Þingeyjarsveit and has a population of 227 inhabitants as of 2021.
The settlement sits at an elevation of 292 meters above sea level, which makes it the highest situated town in Iceland. It is characterized by its northern location and high-altitude positioning within the country's geography.