4.9
(32)
1,343
riders
4
rides
No traffic touring cycling routes around Lake Serrù are situated within the high-altitude alpine environment of Gran Paradiso National Park, characterized by rugged mountains, deep valleys, and glacial lakes. The terrain primarily consists of paved mountain roads with significant elevation changes, leading to panoramic viewpoints. This region offers challenging ascents and descents, with routes often traversing above 2,000 meters (6,560 feet) in elevation. The landscape features a mix of exposed alpine sections and areas near artificial reservoirs like Lake Serrù…
Last updated: June 29, 2026
43
riders
13.1km
01:09
480m
480m
Hard bike ride. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.
22
riders
13.7km
01:18
560m
560m
Hard bike ride. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.

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5
riders
Moderate bike ride. Good fitness required. Mostly paved surfaces. Suitable for all skill levels.
5.0
(11)
588
riders
31.5km
02:45
1,160m
1,160m
Hard bike ride. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.
5.0
(26)
670
riders
36.1km
03:05
1,290m
1,290m
Hard bike ride. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.
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THE 18 KM CLIMB IS DEMANDING DUE TO THE GRADIENTS IT OFFERS BUT VERY REWARDING FOR THE VIEWS IT OFFERS.
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Gigantic view from the very top.
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The road that draws an "S" on the dam is very scenic. All that remains is to tackle the last hairpin bends to the top and then enjoy the most beautiful view of the Alps and perhaps the world...
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This is the photo that every cyclist wants to have of the Colle del Nivolet! The climb to the Colle del Nivolet offers many opportunities to put your foot down and enjoy wonderful panoramic views, especially from Ceresole Reale. In my opinion, the best panoramic view is from this viewing point / balcony that is located just 200 meters from the top of the pass. It is probably the most photographed view of the Nivolet and the one that we have been thrilled with when seeing it in some magazine or website. There are no words to explain the enjoyment and how one savours the views of Lake Agnel and Serrú, of the mountains, of the alpine passes on foot that cross to France, of the less frequent snowfields... WONDERFUL!
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The climb of Colle del Nivolet is among the most exciting and fascinating of the Piedmont Alps, I always recommend Alba and Tramonti when the light transforms the landscape into pure magic!
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Unique one-way pass with a steep slope from the south. There are several parking spaces where you can start the climb. Very busy on weekends with cyclists, motorcyclists and 'sporty' motorists driving up and down the col from the south side. It is even more beautiful to ride this col from the dead quiet north side (Valsavaranche/Aosta) with a gravel/mountain bike. Heavy climb with bike on shoulders over 3.5km from 1950 to 2350m altitude, the rest is reasonably cycleable.
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At an altitude of 2625 metres, Colle del Nivolet marks the border between Piedmont and Valle d'Aosta. Going up from Ceresole Reale the road is entirely asphalted and therefore quite busy. Spectacular views 🤩🏔️
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There are several dedicated no-traffic touring cycling routes around Lake Serrù, offering a range of challenges. Our guide features 5 routes, including one moderate and four difficult options, perfect for experiencing the stunning alpine environment without vehicle interference.
The best time to experience truly car-free cycling around Lake Serrù is during specific periods in summer. Notably, some segments of the road leading to Colle del Nivolet, which passes Lake Serrù, are closed to car traffic on Sundays in July and August. This provides an exceptional opportunity for cyclists to enjoy the route in peace.
While many routes around Lake Serrù are challenging due to the alpine terrain, the View of the Hairpin Bends loop from Ceresole (borg. Mua) is a moderate option at 9.3 km, which might be suitable for families with older, experienced children. For younger families, it's advisable to seek out flatter, dedicated paths further down the valley, as the immediate area is quite mountainous.
Gran Paradiso National Park, where Lake Serrù is located, has specific regulations regarding dogs to protect wildlife. Generally, dogs are allowed on leash on paved roads and in inhabited areas, but often restricted on trails and in certain wilderness zones. Always check the latest regulations from the park authority before planning your ride with a dog.
The routes around Lake Serrù primarily feature paved roads, including the challenging ascent to the lake itself (SP50) and towards Colle del Nivolet. While mostly paved, some segments, especially on longer loops like the Lake Serrù – Lake Agnel loop from Ceresole (Chiapili Sotto), may include unpaved sections. Expect significant gradients, making for demanding but rewarding climbs.
The entire journey to Lake Serrù and beyond offers breathtaking alpine scenery. Key highlights include the stunning views from the dam at Lake Serrù, the crystal-clear waters of Lake Agnel, and the panoramic vistas from Colle del Nivolet. The road itself, with its 'S' shape on the dam, is a scenic marvel. You'll be immersed in the pristine nature of Gran Paradiso National Park.
Yes, several routes are designed as loops. For instance, the Lake Serrù – Lake Agnel loop from Colle del Nivolet and the Madonna della Neve at Serrù – Lake Serrù loop from Ceresole (Chiapili Superiore) offer fantastic circular experiences, allowing you to start and end in the same location while enjoying diverse landscapes.
The area is highly rated by the komoot community, with an average score of 4.9 stars from 30 ratings. Reviewers consistently praise the unparalleled alpine scenery, the challenging yet rewarding climbs, and the unique opportunity to cycle on roads closed to car traffic, providing a truly immersive and peaceful experience in Gran Paradiso National Park.
Ceresole Reale, located at the base of the climb to Lake Serrù, offers amenities such as cafes, restaurants, and accommodation options. While there are no direct services on the high-altitude no-traffic sections, you can find places to refuel and rest in the valley before or after your ride. The Pian della Ballotta Refuge, above Lake Serrù, also serves as a base for excursions.
Public transport options to reach the Gran Paradiso National Park and the vicinity of Lake Serrù are limited, especially for carrying bicycles. It's generally recommended to travel by car to Ceresole Reale or a nearby village, where you can find parking and begin your cycling adventure. Always check local bus schedules for any seasonal services that might be available.
Generally, no specific permits are required for cycling on the paved public roads within Gran Paradiso National Park, including the route to Lake Serrù. However, it's always wise to be aware of and respect the park's general regulations concerning protected areas, wildlife, and waste disposal to ensure a sustainable visit.


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