Valahnúkur is a famous mountain located in the stunning Þórsmörk valley in South Iceland. It's a must-visit spot for nature lovers and hikers, offering breathtaking views of forests, glaciers, and the Highlands. The best way to reach Valahnúkur is by taking the popular Laugavegur trail, a multi-day hiking trek that connects Þórsmörk to Landmannalaugar. If you're up for the challenge, you can also hike Valahnúkur independently, but be sure to exercise caution as the terrain can be unstable. Overall, Valahnúkur is a picturesque destination that showcases the beauty of Iceland's landscapes.