The Compagnie Générale de Navigation sur le Lac Léman—CGN—has operated passenger vessels on Lake Geneva since 1873, maintaining the world's largest fleet of Belle Époque paddle steamers still under steam. Eight of its historic vessels, built between 1904 and 1927, remain in active service from Montreux's Place de l'Eurovision terminal, their twin side-wheels churning at forty revolutions per minute through water that reaches depths of 310 metres between the Swiss and French shores. The Montreux Riviera cruise route threads a corridor defined by UNESCO's Lavaux vineyard terraces to the west and the Savoy Alps rising beyond the French commune of Évian-les-Bains to the south. Twelve thousand hectares of Chasselas vines cascade in stone-walled terraces from Lutry to Montreux, a viticultural geography shaped by Cistercian monks in the twelfth century and inscribed as World Heritage in 2007. Paddle steamer departures from Montreux's terminal—rebuilt in 2000 to accommodate the Eurovision Song Contest infrastructure—trace this north shore in hourly and seasonal schedules, with westbound services calling at Vevey, Cully, and Lausanne-Ouchy, and eastbound routes terminating at the Château de Chillon's thirteenth-century lakeside fortress. CGN's operational calendar divides into a year-round base timetable and an extended summer roster between April and October, when Belle Époque vessels like the 1927-built Montreux and the 1904 La Suisse deploy their full first-class salons and open-air promenade decks. The company's modern motor vessels supplement paddle steamer capacity during peak daylight hours, maintaining the 08:40 to 17:20 departure window from Montreux across all seven days. Onboard service architecture reflects Switzerland's quadrilingual heritage—announcements cycle through French, German, Italian, and English—while the galley prepares regional fare sourced from Vaud canton producers. Ticket structures segment by route length, vessel class, and cabin tier. Single-sector passages between adjacent ports operate at standard regional transit fares, while extended Riviera itineraries—Montreux to Lausanne, or the full eastbound run to Villeneuve—command premium pricing for first-class salon access and commentary. The CGN mobile application, launched in 2024, digitized the ticketing layer previously managed through waterfront kiosks, though the Place de l'Eurovision terminal retains staffed counters for same-day walk-up purchases and Swiss Travel Pass validation.