Balerdi and Urakorri Loop from Amezketa

The 'Thank you for the valley of Arritzaga mining - circular from Ergoiena' trail is classified as difficult. It typically takes around 6 hours and 27 minutes to complete the 14.7 km route, which includes over 1,100 meters of elevation gain.

The terrain is diverse, shaped by its glacial past and mining history. You'll encounter a broad, U-shaped glacial valley, a V-shaped inner valley carved by the Arritzaga river, and numerous natural pools. Expect varied ground surfaces, including potentially steep and rocky sections, especially as you navigate through areas with remnants of old mining operations.

This trail offers a captivating blend of natural beauty and historical industrial heritage. Key highlights include the View of the Arritzaga Mining Valley, which is Euskadi's sole glacier valley, and the evocative remains of the ancient Buruntzuzin copper mines. You'll also pass through Ergoena Village, potentially see the Balerdi Peak (1,193 m), and the Urritza Dolmen.

The trail is a circular route starting from Ergoiena. While specific parking details are not provided, it is common for circular trails originating from villages like Ergoiena to have parking available within or on the outskirts of the village. It's advisable to check local signage upon arrival.

Given the trail's difficulty and elevation, spring and autumn generally offer the most pleasant conditions with milder temperatures and stable weather. Summer can be enjoyable, but be prepared for warmer temperatures. Winter hiking might be possible but could involve snow and ice, requiring appropriate gear and experience.

As the trail is located within Aralar Natural Park, dogs are generally permitted but must be kept on a leash to protect wildlife and ensure the safety of other hikers. Always clean up after your pet.

Typically, there are no specific permits or entrance fees required for hiking trails within Aralar Natural Park, including this route. However, it's always good practice to respect park regulations, such as staying on marked paths and not disturbing the natural environment.

Yes, sections of this route overlap with several other official trails. You will find yourself on parts of the Malloetako zeharkaldia, E11 Epaipide ibilbidea: Lizarrusti - Amezketa, and Meatze bidea (Mina bidea), among others.

For a difficult hike with significant elevation gain and varied terrain, essential gear includes sturdy hiking boots, appropriate layers of clothing for changing weather, plenty of water, snacks, a map or GPS device, sun protection, and a first-aid kit. Trekking poles can also be very helpful on steep or rocky sections.

While specific establishments are not detailed, villages like Ergoiena often have local cafes or pubs where you can refresh and refuel after your hike. It's recommended to check locally upon arrival or search online for options in Ergoiena or nearby towns.

The Arritzaga Valley is historically significant for its rich mining past, particularly the Buruntzuzin copper mines. These mines were a major operation in the 18th century and hold importance for prehistoric copper mining in the Iberian Peninsula. Hikers can observe remnants of these ancient operations along the trail.