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    Colle della Rossa

    This reflects the 10Adventures difficulty rating for each route. We aim to keep ratings consistent across regions.
    Very Hard
    This reflects the estimated time the majority of users will take on this trail. If you are slower, add time to the top-end figure. If you are fast, then you may complete this route faster than this time range.
    This reflects the return distance of this route as measured by the GPS file.
    18.2 km
    This reflects the total elevation gained throughout this route as measured by the GPS file. This includes all ascents and descents, and is higher than what is quoted in most route guides, which simply measure the distance between the starting-point and high-point of the route.
    1,764 m
    User Ratings
    These ratings are completed by users who have completed this trail and not subject to reviews by 10Adventures.
    Overall Rating
    This is the average user-submitted overall rating on a scale of 1 to 10, with 10 being the highest.
    Physical Difficulty
    This is the average user-submitted rating on the physical difficulty of this route. In general, green is beginner, blue is intermediate, black is advanced/most difficult and double-black is expert-only. It is recommended that users build up to black and double-black routes.
    Advanced (Diamond)
    Suitable for advanced experience level looking for a solid adventure.
    Technical Difficulty
    This is the average user-submitted rating on the technical difficulty of this route. In general, green is beginner, blue is intermediate, black is advanced/most difficult and double-black is expert-only. It is recommended that users build up to black and double-black routes.
    Intermediate (Square)
    Suitable for intermediates who are ready for a little bit more adventure.
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    Directions to Trailhead
    Colle della Rossa

    The Colle della Rossa hike is a strenuous and beautiful hike that takes you to the pass of della Rossa between the Punta Rossa della Grivola and Testa del Gavio mountains. It takes you past Rifugio Vittorio Sella and offers stunning views all along the Alpe Lauson high valley with the most stunning ones waiting for you at the top.

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    Route Description for Colle della Rossa

    This trail is strenuous and with lots of elevation gain, so make sure you have dressed accordingly as the weather up there is significantly colder with occasional winds. Also, you will be walking on wet rocks and slippery sand so make sure your footwear has a good grip and bring trekking poles to help with balance.

    The Colle della Rossa hike starts from the village of Valnontey. It starts with following route 18, and you will first have to pass the Rifugio Vittorio Sella, which is a great hike on its own. Go up towards the hotels on the hill from the car park until you see a signpost and continue on route 18.

    You begin with intense switchbacking up the slope. After a while, you will find the remains of a stone hut. There is a drinking water source behind it. Continue ascending.

    After switchbacking through an open mountain slope, you will descend to a stream. Cross it via the bridge. The trail continues up to the mountain and turns left.

    After climbing up for a while you will see some stone buildings, continue switchbacking as Rifugio is not far away.

    You can take a break and get some refreshments at Rifugio Vittorio Sella and fill your water bottles. After that, follow route 2 to the right from the rifugio. The trail leads up the slope.

    After switchbacking up for a while you will reach an alpine meadow along Alpe Lauson high valley and will see the marvelous red rock mountains. Continue towards them.

    At around 7.3km into your hike, you should cross a wooden bridge and reach a T junction. You need to turn right. There will also be a sign leading you towards Colle della Rossa, via route 18C. If you go left here, via route 2, you can do another hike to Col Loson, which is another pass. In this section, the elevation gain increases and the ascent becomes more intense.

    After switchbacking up for a while, you will reach the top of a stream. Make sure to keep on the right side of the stream keeping it to your left. You will have to cross through running water. It is not deep, but the rocks are wet and slippery, so good footwear is very important.

    The trail then bends to the left. You will have the last even section here. After a few tens of meters turn right towards the mountain wall. You should see a mark 18C on a rock. The hike intensifies even more now. From here you will have to climb up quite steeply for the last 100 meters. The sand becomes quite slippery at the top, be careful.

    After the hardest section, you will climb to Colle della Rosa - a breathtaking pass between the mountains of Punta Rossa della Grivola and Testa del Gavio. You will get rewarded with magnificent panoramic views of the snowy mountains of Gran Paradiso National Park on the southern side and amazing scenery up north. On a clear day you should see the Swiss mountains, and Monte Rosa being the highlight of them all. After that, continue back the same way. You can stop at Rifugio Vittorio Sella for lunch before you reach the Valnontey village.

    Insider Hints for Colle della Rossa

    • Hiking poles help a lot during the descent on the slippery sections of the hike.
    • Rifugio Vittorio Sella is a great place to get some refreshments.
    • There are drinking water faucets along the trail. You can fill up your bottles at the rifugio both on your way up and down, so you don’t need to carry a lot of water all the way.
    • We recommend starting this hike early, as it can be a long hike. This way you can ascend in the cool morning air, which makes the massive elevation gain just a little bit easier.

    Getting to the Colle della Rossa Trailhead

    Head to Cogne, and then take the Rue Grand Paradis road to drive to Valnontey Village. Park your car at one of the car parks. The trail starts just after Valnontey village.

    Route Information

    • When to do

      June - October

    • Backcountry Campsites


    • Pets allowed


    • Family friendly


    • Route Signage


    • Crowd Levels


    • Route Type

      Out and back

    Colle della Rossa Elevation Graph

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    Colle della Rossa Reviews

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