Pian della Regina and Piz Olda Loop

This trail is known for its challenging high alpine terrain. You'll encounter a singletrack path with significant elevation changes, including a notable 274-meter (899 ft) descent over a 1.6 km (1.0-mile) stretch. Expect numerous challenging sections due to fixed and potentially slippery stones. While some paths in the area are more comfortable, Route 685 is considered demanding.

The trail offers breathtaking views of Monviso, often called the 'King of Stone'. You'll pass through beautiful alpine meadows where you might spot marmots and various alpine birds. A major highlight is Pian della Regina itself, a significant starting point for excursions. Nearby, you can find Pian del Re, famous as the source of the Po River, and access other picturesque locations like Lago Fiorenza and Lago Chiaretto.

Pian della Regina (also known as Pian Melzè) serves as a significant starting point for various excursions in the Monviso area and provides amenities like parking. This is your primary access point for the trailhead.

The best time to hike this trail is typically from May to October. During these months, the weather conditions are generally more favorable for high alpine trekking.

While the trail is within a natural park, specific regulations for dogs on Route 685 are not detailed. Generally, dogs are allowed in Parco del Monviso, but it's always best to keep them on a leash, especially given the challenging terrain and potential for wildlife encounters.

The Pian della Regina area is part of the Parco del Monviso and Alta Valle Po. There are typically no specific permits or entrance fees required for day hiking on trails like this within the park. However, always check local regulations before your visit, especially if planning overnight stays or specific activities.

Yes, sections of this route overlap with other official trails. You will find it intersects with parts of the Gran Fondo dell'Adamello, percorso cresta SE, Viàl de Finàdar, and Vià Plana.

Given its 'difficult' rating, significant elevation changes, and challenging terrain with potentially slippery stones, this trail is not recommended for beginner hikers. It requires a good level of physical fitness and hiking experience.

At Pian della Regina, you'll find amenities such as parking and a refuge. The refuge offers a place for hikers to find refreshments before or after their trek.

The high alpine meadows are home to marmots and various alpine birds, whose calls often echo across the landscape. The area is also known for its rich natural environment, including a rare, entirely black species of Lanza salamander, though spotting one requires luck.

While Route 685 is demanding, Pian della Regina is a hub for many excursions. Some general paths between Pian della Regina and Pian del Re are described as more 'comfortable' or 'pleasant'. You might explore routes leading directly to Lago Fiorenza or Lago Chiaretto for potentially different experiences.