This Gothic abbey has stood proudly for well over 1,000 years, and today is one of the most visited tourist attractions outside of Paris. - Opening hours: May to August : from 9 am to 7 pm; September to April: 9.30 am to 6 pm - Closed : 1st January, 1st May and 25th December - Information : The Abbey is open from 7 pm to 11.30 pm, every evenings (except Sunday) in July and August. -The entry fees 2008 and 2009: adults = 8,50 €; concessions (18 to 25) = 5 €; free admission for children under 18.

