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Explore forts and underground military sites
When temperatures rise above 30°C, underground military sites offer an ideal refuge thanks to their constant temperature.
In Veckring, the Hackenberg Fort is one of the most impressive Maginot Line fortifications to visit, with a naturally cool atmosphere of around 12°C. Between underground galleries and a ride on a small electric train, the visit offers a welcome break from the heat.
In the same spirit, the Simserhof in Siersthal offers an immersive journey through history in a cool setting, while the underground areas of the Bitche Citadel provide a pleasant stop on the hottest days.
Visit the Hackenberg Fort
Discover the Simserhof
Visit the Bitche Citadel
Want to find out more about these historic sites?
Plan your visit and discover Moselle’s must-see underground sites.
Moselle’s castles: the cool charm of ancient stone
The thick stone walls of Moselle’s castles naturally keep interiors cool, offering pleasant spaces even in the height of summer.
Ranked among the most beautiful castles in Lorraine, the Château de Malbrouck in Manderen-Ritzing invites visitors to explore its ramparts, exhibition rooms and inner courtyards in a more temperate atmosphere.
Overlooking the Moselle Valley, the medieval Château de Sierck in Sierck-les-Bains offers many shaded areas and a particularly enjoyable visit during the hottest summer days.
Want to continue your visit? Discover two emblematic castles in Moselle, perfect for combining heritage, panoramic views and the cool atmosphere of ancient stone.
Visit the Château de Malbrouck
Discover the Château de Sierck-les-Bains
Swimming spots in Moselle: summer by the water
For an instant cool-down, Moselle’s beaches, lakes and leisure centres are must-visit summer spots.
With its landscaped beach and lifeguard supervision during the summer season, the Mittersheim Lake is one of the most popular summer destinations. Paddleboarding, canoeing, pedal boats or simply swimming: there is something for everyone to enjoy.
Located on the shores of the Étang du Stock, the Langatte leisure centre features a landscaped green beach, relaxation areas and a 70-metre water slide, ideal for a family day out.
Many other lakes and ponds also offer the chance to enjoy summer in a preserved natural setting, especially in the Sarrebourg area and the Pays de Bitche.
More places to discover by the water
Water parks and swimming pools to cool off with the family
During the summer season, swimming pools and water parks are perfect for enjoying sunny days while staying cool.
In Hattigny, Aqua Mundo at Center Parcs Les Trois Forêts is a great choice when temperatures become hard to bear. A lazy river, fun pools and water slides offer a refreshing break for the whole family.
In Fey, thrill-seekers can head to the Pokeyland water jump. Its sliding tracks let visitors enjoy jump after jump before plunging into a large refreshing pool.
And there’s more...
Museums: a cultural break away from the heat
When the weather gets very hot, museums are a great way to combine discovery and comfort.
Contemporary art, industrial heritage, history, faience or remembrance: Moselle has many cultural sites to visit away from the sun. A great idea for enjoying a cool break while adding a cultural touch to your day.
Forest walks: natural shade in Moselle’s great outdoors
Forests are one of the best places to escape the heat during periods of hot weather.
Between lakes, rocks and shaded trails, the Pays de Bitche offers plenty of walking routes away from the sun. The Sarrebourg area and the paths leading to the Rocher de Dabo are also perfect for enjoying a cooler atmosphere before taking in beautiful panoramic views.
Wildlife watching and shaded outdoor activities
Some nature outings are also perfect for enjoying summer in a wooded setting.
Set in the heart of a vast natural estate, the Sainte-Croix Animal Park in Rhodes offers many shaded areas for a pleasant visit, even in the height of summer. Wolves, bears, bison and large deer species live in natural spaces that are ideal for discovery.
In Amnéville, France Aventures offers treetop adventure courses, perfect for enjoying the cool shade of the forest while sharing a fun and active experience.
Enjoy summer in Moselle, even during hot weather
From the underground galleries of the Maginot Line and thick-walled castles to landscaped beaches, museums, water parks and large shaded forests, Moselle is full of ideas for staying cool.
Everything you need to make the most of your holidays, weekends and summer days, even when temperatures rise.




