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Pico de Posets Loop from Viadós

Hard

15

hikers

Pico de Posets Loop from Viadós

11:25

17.6km

1,820m

Hiking

Hike to Pico de Posets, the Pyrenees' second-highest peak, on a challenging 10.9-mile circular route through Posets-Maladeta Natural Park.

Last updated: February 26, 2026

Tips

Includes a segment that is highly dangerous

A part of this route comprises highly technical, difficult, or hazardous terrain. Specialist equipment and prior experience is required.

After 4.18 km for 2.87 km

Waypoints

A

Start point

Parking

Get Directions

1

260 m

Bordas de Viadós

Highlight • Settlement

After a steep climb from the PP you reach the Refugio de Viados and further to Bordas de Viados. From here a great panorama of the Posets Maladeta mountain range …

Translated by Google •

Tip by

2

6.49 km

Summit Ridge Section Before the Peak

Highlight (Segment) • Climb

Going up from Viadós through els Clots, the ridge section before reaching the top is quite aerial. It is not technical nor does it require specific safety material for those …

Translated by Google •

Tip by

3

6.78 km

Tuca de Posets (Llardana Peak)

Highlight • Summit

Second peak of the Pyrenees. With its 3369m high you can enjoy a spectacular view from its top. On a clear day you can see other great peaks such as …

Translated by Google •

Tip by

4

7.90 km

Canal Fonda

Highlight (Segment) • Gorge

It is advisable to find out about the snow conditions before undertaking the activity, since this channel remains snowy until well into the summer, making it necessary to use crampons to cross it.

Translated by Google •

Tip by

5

10.3 km

Grist Pass or Forqueta Pass

Highlight • Mountain Pass

From Millares it is a fairly hard climb, especially with a lot of sun.

Translated by Google •

Tip by

B

17.6 km

End point

Parking

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Way Types & Surfaces

Way Types

8.31 km

7.24 km

2.02 km

< 100 m

< 100 m

Surfaces

16.4 km

1.17 km

< 100 m

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Elevation

Elevation

Nothing selected – click and drag below to see the stats for a specific part of the route.

Highest point (3,330 m)

Lowest point (1,760 m)

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Weather

Powered by Foreca

Thursday 9 July

16°C

4°C

42 %

Additional weather tips

Max wind speed: 4.0 km/h

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Frequently Asked Questions

What level of experience and fitness is required for this hike?

This is a challenging high-mountain route classified as 'difficult hiking' or a 'heavy hike'. It demands very good physical condition, a steady foot, and prior experience in high-mountain environments. The significant elevation gain and potentially exposed sections along the crest mean it's not suitable for beginners or those new to strenuous mountain trekking.

What is the terrain like on the trail?

The terrain is varied and demanding. You'll start on relatively clear paths, transitioning through forested areas like the Pinar del Clots, and crossing several ravines. As you ascend, the path becomes rockier, passing over moraines and potentially snowfields. The final approach to the summit involves an "aéreo cresterío" (airy crest), which can be exposed but is generally not technically difficult unless snow and ice are present.

Where can I park to start the Pico de Posets circular hike?

The trail typically starts from the Viadós area. You can usually find parking near the Bordas de Viadós or the nearby refuge, which serves as a common trailhead for ascents to Posets. It's advisable to check local conditions and parking availability, especially during peak season.

What notable landmarks or natural features will I encounter along the route?

You'll pass by the charming Bordas de Viadós at the start. As you ascend, you'll experience the dramatic Canal Fonda, traverse the Grist Pass or Forqueta Pass, and navigate the exposed Summit Ridge Section Before the Peak before reaching the majestic Tuca de Posets (Llardana Peak). You'll also pass the beautiful glacial lake, Ibón de Llardaneta, offering stunning views.

What is the best time of year to hike this trail?

The best time to hike this high-mountain route is typically during the summer months, from late June to early September, when snow has largely melted and weather conditions are most stable. However, even in summer, be prepared for rapidly changing mountain weather. Outside of these months, snow and ice can make the route significantly more challenging, potentially requiring crampons and an ice axe.

Are there any permits or entrance fees required for hiking in Posets-Maladeta Natural Park?

Generally, there are no specific permits or entrance fees required for hiking this trail within the Parque Natural Posets-Maladeta. However, it's always good practice to check for any current local regulations or restrictions, especially concerning overnight stays or specific activities, before your trip.

Is this trail dog-friendly?

While dogs are generally allowed in the Parque Natural Posets-Maladeta, this specific high-mountain route is extremely challenging. The exposed sections, rocky terrain, and potential for snow and ice make it unsuitable for most dogs, even those accustomed to hiking. Consider the safety and well-being of your pet before attempting this strenuous ascent.

Does this trail intersect with other well-known paths?

Yes, sections of this route overlap with other established trails. You'll find it intersects with parts of the Variante Circuito de los tres Refugios, Variante 19.2, and S-11 Refugio de Viadós - Ibón de Millares. These intersections can be useful for planning longer treks or alternative routes within the Posets massif.

What kind of views can I expect along the route?

Prepare for magnificent panoramic views of the surrounding Pyrenean peaks. On clear days, you can often spot iconic mountains like Aneto, Perdiguero, Monte Perdido, and Vignemale. The route offers a diverse landscape, featuring beautiful meadows, deep valleys, and vibrant high-mountain lakes (ibones), all set against the backdrop of vast natural expanses within the Parque Natural Posets-Maladeta.

What should I pack for this challenging hike?

Given the trail's difficulty and high-mountain environment, essential gear includes sturdy hiking boots with good ankle support, layers of clothing suitable for varying weather, waterproof outer shells, a hat, gloves, sunglasses, sun protection, plenty of water and high-energy snacks, a map and compass (or GPS device), a first-aid kit, and a headlamp. Depending on conditions, especially early or late season, crampons and an ice axe may be necessary.

Are there any accommodation options near the trailhead?

Yes, the Bordas de Viadós area is known for its refuge, which provides accommodation and services for hikers. Staying there can be a strategic choice to start your ascent early in the morning, allowing ample time for this long and demanding circular route.

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