Context
The Picos de Urbión lie on the border between the provinces of Burgos and Soria, forming a mountainous massif within the Natural Park Laguna Negra and Glacial Circles of Urbión. This protected area is renowned for its glacial lakes and pine forests, with clearly marked trails that rise to 2,228 meters. The guided route features a total elevation gain of 1,465 meters, making it ideal for experienced mountain runners seeking a challenging technical course.
The Experience
The run begins at the Laguna Negra parking area, where you’ll receive safety briefings and route tips. The trail winds through pine forests and alpine meadows, crossing small streams and waterfalls whose gentle sounds accompany your run. You’ll ascend to the Picos de Urbión, enjoying crisp mountain air and panoramic views, before descending toward the iconic Laguna Negra and the source of the Duero River. The mix of terrain—forest, rock, and alpine grasslands—combined with the strong scent of pine, makes every step memorable.
Who It’s For
This activity is designed for experienced mountain runners in excellent physical condition, aged 14 and older. It is not recommended for beginners, people with vertigo or balance issues, or those uncomfortable with technical, slippery, or uneven terrain.
Local Context
The Pinares region preserves its forest traditions and seasonal transhumance culture, with villages like Vinuesa and Santa Cruz del Valle Urbión maintaining their traditional architecture and local customs. Respecting the natural environment is essential to preserving this unique landscape.