Within the Belledonne Massif in the Isère region of France is Lac du Poursollet. This is an alpine lake located near Alpe du Grand Serre and easily accessible from Grenoble. It’s the ideal destination, offering a natural escape for hikers and families looking for outdoor activities. At Lac du Poursollet, you can enjoy a family-friendly hike, a refreshing swim in the mountain lake or simply enjoy the great outdoors in this protected natural reserve.
In this article, we’ll guide you through everything you need to plan your visit. From hiking trails and detailed maps to Lac du Poursollet itinéraire suggestions. Additionally, we’ll cover where and when to swim, what to bring, and the best times to go. Moreover, if you’re considering staying in the area, Alpvision Residences offers the ideal base for exploring the region and fully enjoying the beauty of the French Alps.
Overview and map of the Lac du Poursollet
Located at 1,650 metres above sea level, Lac du Poursollet is located within dense pine forests. This provides a peaceful setting for any nature escape. Above the lake, the huge Taillefer Massif can be seen, creating a stunning backdrop.
How to get to Lac du Poursollet?
- By car: From Grenoble, take the D114 road towards Alpe du Grand Serre. The lake is located just below the ski resort.
- Parking: There is a free parking area a short walk from the lake, making it easy for families and day-trippers.
What’s near the Lac du Poursollet?
The area around the lake has several natural attractions, and activities we suggest exploring:
- Taillefer Massif: a large mountain with multiple summits, perfect for hiking in the summer months
- Lacs du Taillefer: a chain of small alpine lakes reachable via hiking trails
- Plateau de l’Arselle: a scenic area near Chamrousse known for cross-country skiing in winter and walking in summer
- Écrins National Park: located to the south, this protected area offers dramatic mountain landscapes and diverse wildlife
Important info:
Lac du Poursollet is easy to reach, with a short, flat trail from the nearby parking area near Alpe du Grand Serre. This makes it suitable for children, seniors, and even dogs. While it’s possible to get there by public transport with a train and bus connection from Grenoble and Chamrousse, followed by a walk, having a car is far more convenient. Mobile coverage can be weak in this area, so it’s best to download maps ahead of time.
What are the best hiking routes and itineraries to the lake?
Whether you’re looking for a peaceful stroll or a full-day adventure, there’s the perfect Lac du Poursollet itinéraire available. The area is part of a popular network of mountain hiking trails in Isère. The paths have clear signage, beautiful scenery, and routes for all abilities and ages. Here are our three most recommended hikes:
1. Alpe du Grand Serre to Lac du Poursollet (Easy – Family Friendly)
- Distance: About 2.5 km round trip
- Time: Around 1 hour
- Elevation gain: Minimal
- Trail type: Out-and-back
This is the most accessible randonnée to Lac du Poursollet. Therefore, it’s especially ideal for families with young children. To begin with, the well-marked trail starts from the parking area at Alpe du Grand Serre. From there, it winds gently through a peaceful pine forest, providing plenty of shade along the way. Moreover, the trail is mostly flat, which adds to its appeal as a relaxing walk. As a result, it’s a great option for a leisurely outing or even a scenic picnic by the lake.
2. Lac du Poursollet to Lacs du Taillefer Loop (Intermediate – Scenic Adventure)
- Distance: A 7 km loop
- Time: 3 to 4 hours
- Elevation gain: Approx. 500 metres
- Trail type: Circular
This route is perfect for a moderate challenge. From Lac du Poursollet, follow the marked trail towards Lacs du Taillefer. On this trail, you can expect the occasional steep sections and varied terrain, including alpine meadows and scree paths.
☝️Tip: Sturdy hiking boots are a must for this trail, Lac du Poursollet.
3. Taillefer Summit via Lac du Poursollet (Difficult – Full-Day Hike)
- Distance: Between 12–14 km round trip, depending on route
- Time: 6–8 hours
- Elevation gain: Over 1000 metres
- Trail type: Out-and-back
For experienced hikers, the ascent to Le Taillefer is a demanding journey. Starting at Lac du Poursollet, the route climbs steeply toward the summit, providing beautiful views of Écrins National Park and the Belledonne Massif. Be prepared for technical sections and sudden weather changes.
Tips for a safe hike:
- Trail Markers: Look for yellow and red trail markings; signs often indicate estimated walking times.
- Best Season: May to October, when trails are snow-free. Avoid early spring and late autumn due to slippery or snow-covered sections.
- Safety: Bring enough water, layers, a map, and a charged phone. Weather in the French Alps can change rapidly.
- Navigation Tools: Use hiking apps or IGNs like Lac du Poursollet Rando Évasion for offline maps and route tracking.
Can you swim at Lac du Poursollet?
Lac du Poursollet baignade is possible during the summer months, typically from June to early September. However, we must warn you that the water is cold. There are no lifeguards or facilities in the area, so swimming is at your own risk. The rocky shoreline means that you should bring water shoes, and our recommendation is to swim midday, when the sun is the strongest.
Having said this, the water is crystal clear, and the surrounding views from within the lake are spectacular.
When to go to Lac du Poursollet and what should you bring?
🎒 What to Bring
- Clothing layers
- Weather at the lake can change quickly
- Waterproof jacket
- Sudden mountain showers are common
- Sun protection
- Hat, sunglasses, and sunscreen
- Insect repellent
- Especially useful in the forested areas
- Hiking boots or trail shoes
- Good grip for uneven paths
- Swimsuit, watershoes and towel
- If you plan to swim in the lake
- Water and snacks
- No food services nearby
- Trash bag
- Follow the “leave no trace” principle
✅ Best Time to Visit
- May to October
- Ideal for hiking and exploring
- July to August
- Warmest weather, perfect for swimming
- September to early October
- Fewer crowds, beautiful autumn colours
- Avoid winter and early spring
- Trails may be snow-covered or inaccessible
Plan your adventure in Lac du Poursollet
Whether you’re looking for a peaceful day by the water, a scenic family hike, or a challenging alpine trek, Lac du Poursollet has it all.
When planning your French Alps holiday, stay nearby with Alpvision Residences. Our comfortable, well-located chalets and apartments provide the perfect base for exploring the Belledonne Massif, Maurienne Valley and surrounding natural areas. Book your stay today.
