Animals (dogs, cats, rodents, etc.) on the RER, train or metro: what are the rules?

Published by Audrey de Sortiraparis · Updated on May 27, 2025 at 10:14 a.m. · Published on May 26, 2025 at 10:14 a.m.
Metro, RER, bus or train: can you travel with your pet in Paris? Here's what you need to know to take your pet on board stress-free.

Are you planning to take your dog, cat or small rodent on the metro, RER, bus or even train? We take a look at all the rules you need to follow to ensure a smooth journey for you and your fellow passengers.

Animals on public transport in Paris (RER, metro, bus, tramway, funicular)

The RATP allows pets, but beware, it all depends on their size and the mode of transport.

  • Small dogs (spitz, dachshund, pug, etc.)
    They travel free of charge and must be carried in a suitable basket, bag or crate. This rule applies on the metro, bus, streetcar and funicular.

  • Medium and large dogs (Australian shepherds, golden retrievers, Saint Bernards, etc.)
    Since June 2016, they are only allowed on the metro and RER, but must be muzzled and on a leash. They are not allowed on buses.

  • 1st and 2nd category dogs (Rottweilers, Mastiffs, etc.)
    Prohibited on all public transport, without exception.

  • Cats and New Pets (NAC) (guinea pigs, hamsters, rabbits, etc.)
    Accepted everywhere as long as they travel in a suitable bag or cage.

Since November 2019, all dogs (large and small) travel free of charge on Paris metros and RERs.

Special guide and assistance dogs

Guide and assistance dogs receive special treatment:

  • They are allowed to travel anywhere, whatever their size or breed.
  • They must be fitted with a harness and leash, but not necessarily a muzzle.
  • Their master must be able to produce, on request from an RATP agent, a disability card, a priority card, an educator's card, a foster family card or the dog's identification certificate.
  • If they are not wearing a harness or working vest, you must be able to justify the dog's presence.
  • Police and rescue dogs also travel everywhere free of charge.

Animals on trains and intercity services (SNCF)

Since June 23, 2022, the SNCF has harmonized its rules for traveling with an animal:

  • Dogs under 6 kg
    Travel in carrier bag or basket, free of charge.

  • Dogs over 6 kg
    A €7 "dog" ticket is required. The dog must be muzzled and remain at your feet throughout the journey.

  • 1st and 2nd category dogs
    Strictly forbidden, even muzzled.

  • Cats and other small pets (NAC)
    Must be transported in a suitable cage or bag, and the fare is €7.

  • Dogs accompanying a person with a "Blind" or "Priority" card
    Free travel.

Please note thatonly one pet is allowed per passenger.

In short, check the conditions according to the mode of transport and your pet's profile... and off you go for a worry-free journey with your faithful companion!


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