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Escaping the cruise ship crowds at Piazza del Campo
Decoding the Duomo beyond the facade
Essential Logistics: Cathedral Floor Uncovering and Access Updates
Planning a visit requires precise timing, particularly for the Cathedral’s marble floor, which is only fully revealed during two windows: June 27 to July 31 and August 18 to October 15. Outside these dates, the most intricate panels remain covered for preservation. For travelers driving to the city, the Limited Traffic Zone (ZTL) is now under 24/7 camera surveillance across all entry points. You must coordinate with your accommodation for license plate registration at least 48 hours prior to arrival to avoid automatic fines for each gate passed. Additionally, the 'Porta del Cielo' (Gate of Heaven) and the full Opa Si Pass now utilize a strict timed-entry system, making digital pre-booking essential to secure access during the busy summer and autumn months.
Walking the ancient pilgrim routes like a contrada native
Securing Palio access without the chaos
For 2026, the magnificent marble floor of the Siena Duomo is scheduled to be fully uncovered for public viewing from June 27 through July 31, and again from August 18 through October 15.
To avoid fines in 2026, tourists should park in peripheral lots like Parcheggio Santa Caterina or Il Campo. If your hotel is located within the ZTL, you must provide your license plate number to the hotel staff 48 hours before arrival so they can white-list your vehicle with the local authorities.
Yes, for 2026, it is highly recommended to book the Opa Si Pass or Gate of Heaven tickets online at least 60 days in advance, especially during the floor uncovering periods and the Palio race weeks in July and August.
Written by Siena Tours Editorial Team & Licensed Local Experts.
Last updated: 24/02/26