The five ways to visit the Château des ducs de Bretagne

One: the free visit, which is most of the castle

I live three streets away and I still meet people who think there is a turnstile at the drawbridge. There is not. You walk in past the Tour du Fer-à-Cheval, cross the courtyard, climb the wall and walk the full 500 metres of curtain wall past seven towers without anyone asking you for anything. The moat gardens outside the wall open at 8am, the courtyard and the rampart walk at 8:30am, and both stay open until 7pm, or 8pm from 1 July to 31 August. It runs seven days a week, Mondays included, and it takes about half an hour.

Who this suits: anyone changing trains, anyone arriving on a Monday, anyone travelling with small children, and anyone who wants the black-fortress-and-white-palace contrast without a museum attached. It is also the only version that carries no risk at all, since you can walk out after five minutes having lost nothing. The whole list of what falls inside it is on what’s free.

Two: the museum ticket

The one paid thing on the site is the Musée d’histoire de Nantes inside the ducal palace: 32 rooms, seven sequences, around 1,150 objects, and a single-figure ticket that also covers the temporary exhibition rather than charging for it separately. The narrative runs from the ducal city through the Atlantic slave trade, Nantes was France’s largest slave-trading port and the museum does not soften it, then the industrial city, both world wars, and an extension on 1945 to the present that thins out badly at the end.

There is a reduced rate for 18 to 25s, teachers, and anyone walking in during the last hour of the day. Under-18s go free, and so do unemployed and welfare-recipient visitors, disabled visitors and their companion, journalists, and Pass Nantes and Pass musées holders. On the first Sunday of the month outside July and August the museum is free for everyone, which is the single most useful date on this page. If you expect to come back to Nantes, an annual museums pass covers four museums with unlimited visits and pays for itself on your second ticket.

Who this suits: people who like city-history museums, people who came specifically for the slave-trade rooms, and anyone with a wet afternoon to fill. It suits you badly if you expected furnished medieval bedrooms, because this is a museum about a city, not a furnished castle. I argue that out properly on is it worth visiting.

Three: the château’s own guided visit

The castle runs its own guided visit with museum admission included. It costs a little more than the museum ticket alone, and it is tiered the same way: cheaper for 18 to 25s and teachers, cheaper again for unemployed and welfare-recipient visitors, disabled visitors and journalists, cheaper still for 7 to 17s and pass holders, free under 7. You are paying the small difference for somebody to explain what you are standing in.

Who this suits: anyone who was going to buy the museum ticket anyway and would rather not read 32 rooms of panels alone. It is the least fussy upgrade on this page, because it does not ask for a booking with a third party or a fixed slot elsewhere in your day. The full official picture, including who gets in free, sits on the tickets page.

Four: the Nantes City Pass

The pass runs for one, two, three or seven consecutive days and is priced by duration, so the longer passes cost more overall but less per day. It includes admission to the museum here, more than fifty other attractions and museums, unlimited bus, tram and shuttle-boat travel and the airport shuttle, the Erdre river cruise, the little tourist train, and bike, boat and kayak rental. Audio-guided routes come in English, French and Spanish, and the line-up differs between April to October and October to March. Free cancellation up to 24 hours; some sites still need booking ahead.

Who this suits: two days or more, moving around a lot. Against a free courtyard and a single-figure museum ticket, a one-day pass has to work hard before it draws level, and for a single slow day it does not. It rates 4.2 from 365 reviews, the weakest score on this site, and the reviews split along exactly that line: Elisabete from Portugal bought the 48-hour version and called it “very much worth it”, while a slow single day is a different purchase. I work the logic through on the City Pass page.

Five: a guided tour booked in advance

Entry here is free or close to it, so a booked tour is never buying you access. It is buying somebody who can tell you why a fifteenth-century duke built a white flamboyant-Gothic palace inside a black granite war fortress, and why his daughter ended up married to two kings of France. Five options run past this castle, and they separate cleanly:

• The lowest-priced guided walk — two to two and a half hours through the old town, from the Porte Saint-Pierre gate to the Hôtel de Ville by way of the château, Bouffay, Feydeau and the Passage Pommeraye. It is in French only, and it rates 5.0 from just seven reviews, which is too small a sample to lean on.
• The licensed monumental tour, mid-range — the only one of the five that includes castle entry, 30 minutes inside through a separate entrance, plus La Psalette and the Cathédrale Saint-Pierre-et-Saint-Paul. Wheelchair accessible. It has three reviews. Three.
• The City Pass, mid-range — not a guided tour at all, but it is the option people compare against the tours, so it belongs in the list.
• The private walking tour, higher-priced — two hours, no other group members, a route you choose, and the strongest review record here at 4.8 from 28.
• The e-bike tour, the highest-priced of the five — two and a half hours along the 22 km green line, stopping at the château, the mechanical Elephant and the LU Tower. Minimum height 1.5 m.

All five sit side by side, with the honest verdict on each, on the tours page; the three walking options are compared by language on guided tours.

So which one do you pick?

If you have half an hour, do the free circuit and nothing else; it is the best return on time in this city. If you have half a day and you read museum panels for pleasure, add the ticket. If you read them and then wish somebody had explained them, take the château’s own guided visit instead. If you are in Nantes for two or three days and the trams, the river cruise and the Machines are all on your list, the pass stops being a close call. And if what you actually want is the argument between François II and the kings of France, book a guide, because none of it is written on the walls. Timings for each version are on how long you need.

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