Items exceeding 40x40x20 cm will not be allowed inside, and no lockers are provided on-site., Apr 1–Sep 30, Mon–Sat 10:00 AM–6:15 PM, Sun 12:00 PM–6:15 PM, Strollers are not allowed inside the attraction, Free admission: First Sunday of each month from November to March; free entry on September 20 and 21, 2025 (European Heritage Days)., Oct 1–Mar 31, Mon–Sat 10:00 AM–5:15 PM, Sun 12:00 PM–5:25 PM, Free groups need to present their admission voucher at the attraction ticket office to exchange for a free ticket before entering., Please note the attraction's opening hours are as follows (last entry is 30 minutes before closing time):, Attraction closing dates: Jan 1, May 1, and Dec 25, Do not carry large luggage, (Please check https://www.saint-denis-basilique.fr/en/visit/practical-information before your visit as the attraction may be partially or fully closed due to official holidays, severe weather, or other reasons.), Please note the following items are prohibited in the attraction: selfie sticks, tripods, motorcycle helmets, scooters, roller skates, sharp objects, and glass bottles., You may leave your stroller with the gate staff and retrieve it after your visit., In addition to certain dates when all visitors can enter for free, the following visitors always enjoy free admission: children under 18, EU citizens aged 18–25 or non-EU French residents, visitors with disabilities and one companion.