The Golden Circle covers three main sites: Þingvellir National Park (UNESCO World Heritage Site), the Geysir geothermal area where Strokkur erupts every few minutes, and Gullfoss waterfall. Many tours add extras like Kerið crater, Secret Lagoon or Blue Lagoon.
How long is a Golden Circle day trip?
Standard tours run 8–10 hours from Reykjavík. Small-group tours often allow more time at each location.