Only a short distance from the city of Sion, the Domaine des Iles is one of the most popular leisure and nature destinations in the region. It covers over 50 hectares of open space, and includes a large lake, sports facilities, and family-friendly areas.
In this article, we’ll take you through everything you need to know about Le Domaine des Iles Sion, including what you’ll find there, the best outdoor activities, and why it’s ideal for families.
Discover Le Domaine des Iles Sion
Located just 2 km from the centre of Sion, the Domaine des Iles is a vast park featuring a natural lake, picnic areas, walking trails, and sports facilities. It’s a place where you can balance relaxation with outdoor activity.
The site is not only a recreational centre but also a protected natural environment.
Facts about Le Domaine des Iles Sion
📍 Location: 2 km from Sion city centre, Valais, Switzerland.
🌳 Size: 54 hectares (about 133 acres).
💧 Central lake with supervised swimming in summer.
🚶 Walking and cycling trails around the park.
🆓 Free entry, open all year.
With more than 200,000 annual visitors, the Domaine has become a popular leisure spot in Valais, attracting both tourists and locals throughout the year.
What can you find at Le Domaine des Iles Sion?
A visit to the Domaine des Iles means stepping into a versatile space perfect for all ages and interests.
Main facilities have been carefully thought out and include:
- A large central lake for swimming and boating.
- Grassy lawns and shaded picnic spots with BBQ areas.
- Restaurants and snack kiosks open during the high season.
- Jogging, walking, and cycling trails.
- Designated zones for birdwatching and nature observation.
Pros and cons at a glance
✅ Free to access, open all year.
✅ Family-friendly with activities for children.
✅ Variety of sports and leisure opportunities.
❌ Parking can be limited on busy summer weekends.
❌ Some facilities close outside the May–September season.
Open-air activities and sports
If you’re the active type, the Domaine des Iles Sion has many ways to stay moving and enjoy the fresh Alpine air.
Water activities (summer only)
You can enjoy swimming in designated areas, with lifeguards on duty during the peak summer season. In addition, stand-up paddleboarding, kayaking, and pedal boats are available for rent. Finally, fishing is also permitted, as long as you hold a valid licence.
Land-based sports
The Domaine des Iles has volleyball courts, football pitches, and pétanque areas. Moreover, you can take advantage of the running and cycling loops, including a 2.5 km flat circuit around the lake. In addition, there are tennis courts and multi-use pitches.
Did you know? The cycling trails connect with the broader Rhône Valley cycle path network, ideal for exploring the region by bike.
What are the family-friendly activities at Domaine des Iles?
One of the reasons Le Domaine des Iles is so beloved is its family-friendly atmosphere. Parents can relax while children enjoy safe, entertaining facilities.
There are multiple playgrounds accessible, designed for different age groups, along with safe shallow areas in the lake that are supervised by lifeguards during summer. Nearby, you can also enjoy a mini-golf course, while children especially love the seasonal petting zoo with farm animals. In addition, the park offers educational nature trails with panels explaining the local vegetation and wildlife.
Why it’s perfect for families
🪙Free or low-cost activities mean you can spend the whole day here without breaking the budget.
👶 Playgrounds and sandpits.
🦆 Duck feeding and birdwatching spots.
🚲 Easy bike trails for kids.
🍦 Ice cream kiosks and picnic spots make it easy to plan a full family outing.
📚 Educational panels for curious learners.
Must-do activities for sports lovers at Domaine des Iles
For those looking to stay active, a few experiences at Le Domaine des Iles Sion are truly unmissable.
On a sunny day, renting a paddleboard is the perfect way to enjoy the calm waters of the lake. You can also challenge friends to a pétanque match, a much-loved local pastime within the Valais culture. Finally, walking or jogging the full loop trail around the park is a great way to take in the scenery while getting some exercise.
How do you get to the Domaine des Iles?
Getting to the Domaine des Iles Sion is simple and possible by car, public transport, or even on foot.
By car
- Just 5 minutes from the centre of Sion.
- Parking available on-site (free and paid options).
Tip: Arrive early on summer weekends to secure a spot.
By public transport
- From Sion train station, several bus lines connect directly to the park in under 10 minutes.
- Cycling or walking from the city centre is also a scenic option.
Opening hours
- The Domaine itself is open year-round, 24/7, as a natural space.
- Restaurants, boat rentals, and lifeguard-supervised swimming are available mainly from May to September.
Nearby attractions & activities worth exploring
Beyond enjoying Domaine des Iles, there’s plenty more to discover in and around Sion.
Lac Souterrain de Saint-Léonard
Just a short drive from Sion lies Europe’s largest underground lake. You can take guided boat tours through the cave, marvel at unique rock formations, and learn about the Lac Souterrain de Saint-Léonard.
Tourbillon Castle
Located about 182 metres above Sion, the Tourbillion Castle is a 13th-century fortress that takes you through the medieval history of the region. The hike up to the castle has panoramic views over the Rhône Valley.
Lac des Dix
The Lac des Dix reservoir in the upper Valais region is famous for its dramatic scenery, hiking and panoramic alpine views.
Come and enjoy Valais with Alpvision Residences
The Domaine des Iles is one of the best spots in Valais to enjoy the outdoors. Its mix of activities, nature, and accessibility makes it a must-see when staying in or near Sion.
If you’re planning a visit, make the most of your stay by booking accommodation with Alpvision Residences. Our properties combine comfort, convenience, and proximity to the top attractions of the Valais region.
