Transportation
By road
30 minutes from Paris via the A14
45 minutes from Paris via the A86
From the airports by road:
Orly Airport is 30 minutes away
CDG Airport is 40 minutes away
Air France or KLM
10% discount on Air France or KLM flight tickets for participants of the CosmoPet International Congress 2025.
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The discount is only applicable on websites where the currency is EURO (€). If you are booking from a country using a different currency, please visit a website offering EURO (€) as the currency.
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​3 steps to benefit from this exclusive discount:
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1. During your booking, when asked if you're traveling for business, select YES and enter "MICE" as the "contract name." This will allow you to enjoy certain benefits of the Air France-KLM "Corporate Recognition" program, associated with the "Global Meetings & Events" offer, during your flights.
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2. After completing your personal details, click on "Check your travel details, choose your payment method" at the bottom of the page. In the "Enter a voucher or discount code" field, enter the discount code.
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3. Click on "Apply," and if the conditions are met, the discount will be applied.
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Booking period: 20/02/2025 to 03/10/2025​
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Outbound date: From 25/09/2025 to 03/10/2025
Return date: From 02/10/2025 to 10/10/2025
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To take advantage of the discount, please contact us.
By public transport
52 minutes by taking the RER A to Saint-Germain-en-Laye, then taking the R2N Bus from the Saint-Germain-en-Laye station to the Vieille Butte stop. 4 minutes on foot to Château Saint-Léger.
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From the airports by public transport
From Paris Orly: Take Metro Line 14 to Gare de Lyon, then transfer to RER A to Saint-Germain-en-Laye. From there, take the R2N bus to the Vieille Butte stop. The Château Saint-Léger is a 4-minute walk away. Estimated travel time: 1h20.
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From Paris Roissy (CDG): Take RER B to Châtelet Les Halles, then transfer to RER A to Saint-Germain-en-Laye. After that, take the R2N bus to the Vieille Butte stop. The Château Saint-Léger is a 4-minute walk away. Estimated travel time: 1h30.
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