Explore the region as seen by the locals and the guests: their secret places, favourite events and most treasured moments. Share your favourite photos of Jura & Three Lakes region with us.
Discover our region through our webcams.
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1. Browse our site and select activities, accommodations and restaurants that interest you.
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Cultural Heritage
Bienvenue en Ajoie, patrie du HC AJoie !
Welcome to Porrentruy and the Ajoie region, the cradle of the Ajoie ice hockey club!

We welcome you to the green surroundings of the Ajoie, where you can enjoy culture, nature and relaxation. After the game, it's time to go for a stroll and explore this region which has much to offer for every taste! Whether you love history or art, wide open spaces and nature, or sports of all kinds, you will be able to find it all here.
Town
Porrentruy, a former residence of the Prince-Bishops of Basel, is known for its imposing castle and the Réfous Tower, a massive old watchtower overlooking the old town.
Are you looking for a hotel, a guest room, a holiday flat or even a more unusual accommodation? You are sure to find your heart’s desire here.
Festivity, Festival
As every November, the traditional St. Martin's festival takes place in Ajoie and Porrentruy.
Guest Card
Get free public transport and benefit from numerous discounts on activities during your stay in the Jura region!