CAI Trail 002 to Rifugio Portia

The trail is approximately 11 kilometers (6.8 miles) long with an elevation gain of about 760 meters (2,500 feet). It typically takes around 4 hours and 9 minutes to complete one way, though some estimates suggest up to 5 hours depending on your pace and stops.

This is considered a moderate or intermediate-level hike. It requires good fitness and sure-footedness, with mostly accessible paths. According to the Swiss Alpine Club (SAC) Hiking Scale, it corresponds to SAC 2-3, and the Club Alpino Italiano (CAI) rates it as 'E' (Escursionistico), suitable for hikers with some experience in mountainous terrain.

The trail is a diverse mountain path. You'll traverse through abandoned stone villages like Borgata Fontanabruna, larch forests, and mixed woodlands. Parts of the route pass through landslide areas with scattered boulders, creating a unique 'lunar landscape'. You'll also cross streams and follow old mule tracks, with sweeping panoramic views opening up as you ascend.

Key highlights include the historic Borgata Fontanabruna with its ancient stone walls, and a fascinating Rockfall Area. The destination, Colle della Portia Hut, offers a charming bivouac experience. From Colle della Portia, you can enjoy extensive panoramic vistas of the Turin plain, the city, the Val di Viù, the Uja di Calcante, and the Lanzo Valleys.

Yes, the trail is generally dog-friendly. However, as it passes through varied terrain including potential landslide areas and near wildlife habitats, it's always recommended to keep dogs on a leash for their safety and to respect other hikers and the natural environment. Please ensure your dog is fit enough for a moderate hike.

The best time to hike this trail is typically from late spring through early autumn (May to October). During these months, the weather is generally more stable, and the trail conditions are most favorable. Winter hiking is possible but requires appropriate gear, experience, and awareness of snow and ice conditions.

Specific trailhead parking details are best checked locally, but common starting points are often accessible from areas like Val della Torre. Public transport options to the general region (e.g., Val della Torre or Colle del Lys) exist, but direct access to the trailhead via public transport might be limited. Planning for a short walk or taxi from the nearest public transport stop may be necessary.

The CAI Trail 002 itself does not typically require a specific hiking permit. As the trail is located within the Parco Naturale Col del Lys, there are generally no entrance fees for accessing the park's trails. However, always respect park regulations regarding waste, fire, and wildlife. It's advisable to check the official park website for any updated rules or specific area restrictions before your visit.

The Colle della Portia Hut is more of a charming bivouac than a staffed refuge. It's a simple stone chapel-refuge on a grassy hilltop, offering basic amenities such as a fireplace, wood-burning equipment, and a traditional Piedmontese wood-fired oven. It can accommodate 6 to 10 people. There are no dining facilities, so visitors should bring their own food and water.

Yes, sections of this route intersect with other trails. Approximately 21% of the CAI Trail 002 overlaps with parts of the 'Anello Ceronda - Tappa 4' trail, offering opportunities to explore a wider network of paths in the area.

The CAI Trail 002 to Rifugio Colle della Portia is primarily an out-and-back route. You will return along the same path to your starting point. There are no indications of it being a full loop trail.