Grábrók is the largest of three volcanic craters (Grábrók, Rauðbrók and Smábrók) that was formed over 3,000 years ago during a volcanic eruption. The crater is surrounded by rugged lava fields and offers visitors breathtaking views of the surrounding landscape.

This area is a popular hiking spot for locals and tourists. The trails are easy to navigate and suitable for visitors of all ages and fitness levels.

During the summer the vibrant green moss surrounding the crater make it pop out in the landscape.

At the top of the crater, you can take in stunning views of the surrounding area and witness the unique geological formations that have been created by the volcanic activity. The crater is also home to a variety of plant and animal life, including lichens, moss, and birds.

In addition to Grábrók, the surrounding area is also home to other popular tourist destinations, including the Hraunfossar waterfalls and the Víðgelmir Cave. Visitors can easily combine a visit to Grábrók with these other attractions to create a memorable day trip.