The best cycling routes around National Park Collados del Asón

Touring cycling routes in National Park Collados del Asón are generally challenging. All 10 routes listed in this guide are rated as difficult, featuring significant elevation changes and mountainous terrain. For example, the ascent to Collados del Asón from Arredondo is known for its average gradient of 6.9% over 6.33 km.

The park is rich in dramatic natural features. You can expect to see spectacular glacial formations like the Circo de Hondojón, extensive karstic landscapes with dolines and sinkholes, and the impressive birth of the Asón River, which emerges as a 50 to 70-meter vertical waterfall. Many routes offer views of these unique geological formations and diverse ecosystems, including small beech forests and alpine meadows.

Yes, many of the touring cycling routes in National Park Collados del Asón are designed as loops, allowing you to start and end at the same point. An example is the Portillo Lunada – Portillo de Ludaña loop from La Pedrosa, which covers 32.3 km with nearly 1000 meters of elevation gain.

The best time for touring cycling in National Park Collados del Asón is generally during the warmer, drier months, typically from late spring to early autumn. This period offers more stable weather conditions and better visibility for enjoying the panoramic views. However, due to the mountainous terrain, weather can change rapidly, so it's always advisable to check forecasts before heading out.

You should expect varied and often challenging terrain. The routes navigate through landscapes shaped by glacial and karstic processes, meaning you'll encounter U-shaped valleys, limestone outcrops, and significant elevation changes. Many routes feature challenging climbs and joyful descents, such as an 11 km descent from Collado de Asón to Arredondo with gradients of 7-8% on recently repaved asphalt.

Given the challenging nature of the terrain and the significant elevation profiles, most touring cycling routes in National Park Collados del Asón are primarily suited for experienced cyclists. All routes listed in this guide are rated as difficult, making them less ideal for young children or beginners. However, some flatter sections along river valleys might be suitable for shorter, less strenuous rides, but these are not typically full touring routes.

The area is highly rated by the komoot community, with an average score of 3.5 stars from over 5 reviews. Reviewers often praise the dramatic glacial cirques, karstic formations, and the picturesque Asón River valley. Cyclists appreciate the serene experience amidst undisturbed natural beauty and the rewarding challenges of the mountainous terrain.

While National Park Collados del Asón is a natural area, specific regulations regarding dogs on cycling routes can vary. Generally, dogs are permitted in national parks but often need to be kept on a leash to protect wildlife and ensure the safety of other visitors. It's always best to check the specific park regulations before bringing your dog on a touring cycling route.

While the park is generally unpopulated, some routes may pass through or near small villages where you might find cafes or small shops. For instance, the Basiegos de Dios Café Stop – La Sía Pass loop from Soba explicitly mentions a café stop. It's advisable to carry sufficient water and snacks, especially on longer routes, as amenities can be sparse.

There are 10 touring cycling routes detailed in this guide for National Park Collados del Asón. These routes offer a variety of challenging experiences through the park's unique landscapes.

For a challenging ride with substantial elevation, consider the Puerto de Alisas – Carlos III Gate loop from Arredondo. This route covers 60.1 km and features an impressive 1570 meters of elevation gain, offering a demanding experience for seasoned touring cyclists.