Discover the rich layers of Sion’s history on this captivating walking tour through its medieval heart. Begin at the Sorcerers' Tower, where tales of witch trials and Inquisition tribunals reveal the city’s darker past. Nearby, the Sion Cathedral impresses with its blend of Gothic and Romanesque architecture. Continue to the Old Town Market along Grand-Pont Street, where vibrant stalls, cafes, and boutiques reflect Sion’s cultural charm. Then, visit the Majorie Castle, once the residence of bishops and a symbol of medieval authority. Pause at Maurice-Zermatten Square, the city’s most photogenic spot. On the way up to Valere, stop by the peaceful All Saints Chapel before reaching the basilica itself—home to the world’s oldest playable organ and sweeping views of the Swiss Alps.