KD (Köln-Düsseldorfer) | 1-hr panorama, evening lounge cruise, combo, Mainz Advent cruise | MS Palladium (Frankfurt); MS Godesburg (Mainz) | Main River loop (Frankfurt); Rhine around Mainz | KD Mainkai, Frankfurt; KD Jockel-Fuchs-Platz, Mainz | No (bar on board, extra cost; Advent cruise has seasonal menu at extra cost) | Europe's most experienced river cruise company (185+ years); two ships, multiple formats; "Travel for All" accessibility certification on MS Godesburg |
ETS Frankfurt | Rhine Valley full-day tour | Air-conditioned coach + scheduled Rhine steamer | Frankfurt → Rüdesheim → Rhine Gorge → St. Goarshausen → Assmannshausen | Wiesenhüttenplatz 38 pavement, Frankfurt | Yes: lunch at riverside restaurant in Assmannshausen; wine tasting included | Full-day guided tour combining road, river, food, and wine; bilingual guide throughout; only option for the Middle Rhine UNESCO World Heritage Gorge from Frankfurt |