These 2023 itineraries on the Po and the Guadalquivir are:
Michelangelo will operate a four-night itinerary roundtrip from Venice with calls at Mazzorbo and Chioggia.
It will allow free time for Carnival, which takes place from February 4-21 and attracts 3m people annually.
Departures are February 10, 14 and 18, with prices from £797 per person, including all meals and drinks onboard and port fees.
Mardi Gras in Andalusia
La Belle de Cadix departs February 20 on a new five-night cruise from Seville, with calls in Cadiz, El Puerto de Santa Maria and Isla Mínima. The roundtrip sailing includes a full-day for the Carnival of Cadiz, which will be held February 16-26.
The vessel departs February 20 with prices from £931 per person including all meals and drinks onboard, excursions, an evening of flamenco and port fees.