Baltzola Caves and 3 Mountains (Arratia)
Date: Sunday 04/12/2026
Departure Time: 8:15 AM
Estimated Return Time: 4:30 PM – 5:00 PM
1. 8:15 AM: Main entrance of Tabakalera.
2. 8:30 AM: Rotulek in Astigarraga.
3. 9:30 AM: Indusi Auzoa (final meeting point for those joining on their own)
Organized by: Gontxu Arceo (certified mountain guide)
Interested parties contact: besansebastian@gmail.com
Phone: 652746576
Price without transportation: 25€ / Extra for transportation: 5€
Route description:
This time we will discover the secrets of the Arratia valley. Its famous Baltzola cave, a landmark of climbing difficulty in Euskadi with its numerous ninth-grade routes where elite climbers from all over the world come to test their skills and abilities.
Here you can see one of the best. Adam Ondra attempting one of the hardest routes without having tried it before. Will he make it? https://www.youtube.com/watch?v=16Mn3-8sfOI
If that wasn’t enough, we will venture to explore the Jentilzubi arch and the Abaro tunnel, a series of karst formations that will leave us amazed. We will complete the route with the ascent to the 3 Indusi mountains: Baltzola mendi, Bargondiko Atxa, and Garaio.
Clothing: Hiking boots or shoes / sportswear / Gore-tex or raincoat in case of rain or wind / fleece or sweater to keep warm / jacket or down jacket in case of cold / hiking pole or poles.
To drink: At least one liter of water.
Notes:
– Transportation is NOT included in the price.
