Entre-os-Rios means 'between the rivers', situated at the confluence of the Douro and its tributary the Tâmega. From here you can travel into the heart of northern Portugal's Vinho Verde wine region, visit the historic city of Guimarães or enjoy an atmospheric dinner at the Alpendurada Monastery.

Peso da Régua (Régua for short) is the main river port for the vineyards of the Upper Douro Valley, and is the perfect base for exploring the port-wine region. Nearby attractions include the Baroque-style Palacio de Mateus, with its intricate furnishings and beautiful gardens, and the important pilgrimage site of Lamego.

Vega de Terrón is the drop-off point for excursions to Salamanca, a beautiful UNESCO-listed city built from golden sandstone. The baroque-style Plaza Mayor is one of the most magnificent squares in Spain, while other highlights include the twin-towered cathedral and the unusual House of Shells.

Vega de Terrón is the drop-off point for excursions to Salamanca, a beautiful UNESCO-listed city built from golden sandstone. The baroque-style Plaza Mayor is one of the most magnificent squares in Spain, while other highlights include the twin-towered cathedral and the unusual House of Shells.

The pretty little town of Pinhão, situated on a bend in the Douro, is all about one thing: wine. The surrounding hills are covered in vineyards, and you’ll have ample opportunity to sample a variety of tipples, including the region’s most famous product, port.

Blessed with a dramatic setting on the steep banks of the river Douro, Portugal’s second city is currently enjoying something of a renaissance, and is best known as the home of the country’s most famous export, port wine.

Paris is a joyful expression of all that is glorious about France, a city of rarified tastes, romantic riverside walks and the occasional rather rude waiter. Culture vultures will be in seventh heaven, with a plethora of galleries and museums housing some of the finest art collections in the world, and the restaurant scene is absolutely first class.

The picturesque town of Les Andelys, situated on a bend in the river Seine, is best known for the ruins of Château Gaillard. Richard the Lionheart ordered the construction of this imposing fortress at the end of the 12th century, and it took just two years to build, a remarkable feat.

Rouen has endured a turbulent history: it was here that Joan of Arc was burnt at the stake in 1431, and much of the city was destroyed during World War II. Many cruise visitors head straight for Paris, an hour away by train, which is a shame since there’s so much to see in Rouen, including a beautiful cathedral and the atmospheric Medieval quarter.

Situated on the southern bank of the Seine estuary, Honfleur was once one of France’s most important ports. It was also a favourite location of Monet and the Impressionists, and art lovers may well recognise the elegant Renaissance architecture of the old harbour, the Vieux Bassin.

The picturesque town of Vernon, with its timber-framed houses and medieval church, is a pleasant place for a riverside stroll, but most visitors are just passing through en route to Claude Monet’s house and beautiful gardens in the nearby village of Giverny.