4.9
(15)
125
hikers
8
hikes
Mountaineering routes Erto e Casso are situated within the westernmost section of Friuli Venezia Giulia, characterized by dramatic Dolomitic peaks such as Borgà, Buscada, and Duranno. The region features challenging terrain with imposing rock formations and deep valleys, including the historically significant Vajont Valley. This area is part of the Friulian Dolomites Natural Park, offering a preserved environment for outdoor pursuits. Erto is also recognized as an international rock climbing hub, with numerous routes near the Vajont Dam.
Last updated: May 7, 2026
4.7
(6)
34
hikers
5.27km
02:41
410m
410m
Hard mountaineering route. Good fitness required. Sure-footedness, sturdy shoes and alpine experience required.
5.0
(1)
12
hikers
3.34km
01:40
230m
240m
Hard mountaineering route. Great for any fitness level. Sure-footedness, sturdy shoes and alpine experience required.

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7
hikers
12.6km
06:55
1,280m
1,300m
Hard mountaineering route. Very good fitness required. Sure-footedness, sturdy shoes and alpine experience required.
5.0
(2)
9
hikers
6.81km
04:50
970m
970m
Hard mountaineering route. Very good fitness required. Sure-footedness, sturdy shoes and alpine experience required.
9
hikers
9.44km
06:32
1,360m
1,360m
Hard mountaineering route. Very good fitness required. Sure-footedness, sturdy shoes and alpine experience required.
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The Vajont Dam, located in the deep gorge between Friuli Venezia Giulia and Veneto, stands imposingly as a silent and monumental warning against human hubris. Having survived almost intact the catastrophic wave of October 9, 1963, caused by the landslide of Monte Toc, the structure is today a sacred place of collective memory. The dam's crest can be traversed through touching guided tours that allow you to walk close to the precipice, observing on one side the enormous landslide body and on the other the valley below of Longarone. Near the structure stands the Memorial, where a moving spread of colorful flags commemorates the children lost in the tragedy. The entire area, combined with the nearby Visitor Center of Erto and Casso, offers a historical and educational journey essential for understanding, remembering, and honoring the victims of the disaster.
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Vajont is worth visiting, for the memory of the 1963 tragedy
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A tragedy dictated by human greed.
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as you continue along the via ferrata you pass right above the tunnel and you can hear the cars passing by
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The summit of Mount Borgà is nothing more than the highest point of a long ridge with a west-east direction that includes Mount Sterpezza, Mount Piave and Mount Salta. To the north it descends vertically into the Piave valley, to the south it descends gradually towards the Vajont valley and the Cimoliana valley.
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Col Nudo, at 2472m, is the highest peak in the Alpago group. The name comes from the fact that it is one of the few peaks in Alpago not covered by "loppa" (i.e. grass). The climb requires good training. The most complex section to travel is the ridge that connects Cima Laste to the top of Col Nudo. At a certain point the path on the ridge is interrupted by a rock jump. To get around it, you need to go down towards the south-west and down-climb another rock jump (lower and easier) and then return to the ridge. Halfway there is a point where it becomes very sharp and exposed. The passage requires a fearlessness and a steady step. Once at the top you can admire an incredible 360° panorama.
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There are 10 mountaineering routes around Erto E Casso listed on komoot, offering a variety of experiences within the dramatic Dolomitic peaks of the Friulian Dolomites Natural Park.
The best time for mountaineering and hiking in Erto E Casso is generally from late spring to early autumn. Autumn is particularly recommended for its clear views and vibrant foliage. Some climbing walls are south-facing, allowing for year-round climbing in certain sectors.
While many routes in Erto E Casso are rated as difficult, there is one moderate mountaineering route available. The region is known for its challenging terrain, but beginner climbers can find suitable paths in the famous natural rock climbing gym near the Vajont Dam, which offers over 300 routes of varying difficulty, including easier slab climbs.
Erto E Casso is renowned for its challenging terrain. For a demanding alpine traverse, consider the Cima di Rodisegre – Spalla del Duranno loop from Casera di Conte, which is 9.8 miles (15.8 km) long and typically takes over 7 hours. Another challenging option is the Cima Sterpezza – Monte Borgà loop from Codissago, covering 12.5 km with significant elevation gain.
Yes, many mountaineering routes in Erto E Casso are designed as loops. Examples include the Mountaineering loop from Longarone, which offers views of the mountainous landscape, and the Vajont Dam Memorial – Straßentunnel loop from Longarone, traversing terrain near the iconic Vajont Dam.
Given the challenging Dolomitic peaks and varied terrain, appropriate mountaineering equipment is essential. This typically includes sturdy hiking boots, weather-appropriate clothing, a helmet, harness, ropes, and via ferrata sets if you plan to tackle equipped trails. Always check the specific requirements for your chosen route.
Mountaineering routes in Erto E Casso vary significantly in duration. Shorter, difficult loops like the Mountaineering loop from Longarone can take around 2 hours 41 minutes. Longer, more strenuous routes such as the Cima di Rodisegre – Spalla del Duranno loop from Casera di Conte can require over 7 hours to complete.
The region is rich in natural beauty and historical significance. You can explore the dramatic Vajont Valley, observe unique geological formations like the "Libri di San Daniele," and view the impressive Vajont Dam. The area also features stunning Dolomite peaks such as Borgà, Buscada, and Duranno.
Yes, there are several huts and bivouacs in the wider Erto E Casso area that can serve as resting points or overnight stays. Notable options include Casera Bosconero Hut, Rifugio Maniago, and Rifugio Pordenone. For a more adventurous stay, consider the Giuliano Perugini Bivouac.
The mountaineering routes around Erto E Casso are highly rated by the komoot community, with an average score of 4.9 stars. Reviewers often praise the dramatic Dolomitic peaks, the challenging and diverse terrain, and the unique historical and natural experiences offered by routes near the Vajont Dam.
Absolutely. Erto E Casso is a hub for various outdoor pursuits. Beyond mountaineering, you can find extensive rock climbing opportunities, numerous via ferrata routes, trekking and hiking trails like the historic "Coal Path" (Trui dal Sciarbon), ski mountaineering and snowshoeing in winter, mountain biking, and canyoning in Val Zemola.
The region features several significant mountain passes that offer stunning views and challenging traverses. These include Forcella del Duranno, Deona Pass – Copada Alta, and Valbona Pass. Many passes also offer panoramic viewpoints, such as the View of Conca dell'Alpago and Lake Santa Croce.


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