Quiz: What is the significance of the ‘caldera walk’ between Fira May 24, 2025 by Elena Skye What is the significance of the ‘caldera walk’ between Fira and Oia? Discover more about Santorini Travel at our home page. A) It offers stunning views of the volcanic caldera and the Aegean Sea. B) It is the fastest route between the two towns. C) It is a historical pilgrimage route for local residents. D) It is known for its abundant wildlife and botanical diversity. Submit Answer