Enjoy a trip around an active volcano and discover Iceland’s abundance of natural resources that heat and power the island. You’ll visit the Hellisheidi Geothermal Power Plant to see how the power of Hengill Volcano is harnessed, before enjoying a short walk around the local geothermal area, followed by refreshments including traditional hot spring bread. Continue on to the UNESCO site of Thingvellir National Park, where the earth’s tectonic plates meet, and enjoy spectacular views of a lunar-like landscape full of geological wonders from Thingvallavatn, Iceland’s largest natural lake.