Hôtel des Trois Couronnes. Special group offer for the 50th edition of the Montreux Jazz Festival Hôtel des Trois Couronnes. Offre spéciale pour la 50ème édition du Montreux Jazz Festival. Redazione Hôtel des Trois Couronnes From Chf. 349. Organize your event of a minimum of 100 over-nights at Hotel des Trois Couronnes between 4th January and 8th April 2016, and you will receive 10 VIP invitations –including accommodation – for the 50th Montreux Jazz Festival.…