2
riders
03:26
44.2km
1,190m
Cycling
This difficult 27.5-mile touring cycling loop in Redes Natural Park offers panoramic views and significant elevation gain.
Last updated: February 26, 2026
Waypoints
Start point
Parking
Get Directions
1.23 km
Highlight • Settlement
Translated by Google •
Tip by
6.75 km
Highlight • Cave
Translated by Google •
Tip by
35.4 km
Public Water Fountain
Public Water Fountain
37.5 km
Highlight • Mountain Pass
Translated by Google •
Tip by
44.2 km
End point
Parking
Way Types & Surfaces
Way Types
29.5 km
6.81 km
6.01 km
1.87 km
Surfaces
30.4 km
11.1 km
2.59 km
144 m
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Elevation
Highest point (910 m)
Lowest point (450 m)
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Weather
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Monday 29 June
18°C
13°C
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This route was planned by komoot.
This touring bicycle route is approximately 44.2 kilometers long and typically takes around 3 hours and 26 minutes to complete. However, this duration can vary depending on your cycling pace, fitness level, and how often you stop to enjoy the scenery.
The Collada de Arnicio Loop is rated as difficult. It features significant elevation changes, including tough climbs, particularly when approaching the Tanes dam. While the ascent to the Collada d'Arniciu from Bueres has a fairly reasonable gradient for its 4-kilometer length, the overall route is not recommended for beginners or those unaccustomed to sustained ascents.
The route primarily follows asphalted areas or well-compacted paths, making it suitable for touring bicycles. While the initial sections may be smooth, be prepared for challenging climbs and descents. Cyclists should also be aware of potential potholes and bends, especially during descents like the one into La Marea.
The Collada de Arnicio Loop offers diverse scenery and notable spots. You'll pass through charming villages, witness historical bridges, and traverse the beautiful Redes Natural Park. Key highlights include the picturesque Tanes Village and Church, the intriguing Cueva Devoyu, and the Collada d'Arniciu mountain pass itself, which offers panoramic views of peaks like Tiatordos, Taranes, and Foyos.
Generally, there are no specific permits or entrance fees required for cycling on established routes within the Redes Natural Park. However, as a protected area, it's essential to respect all local regulations, stay on marked paths, and practice Leave No Trace principles to preserve its natural beauty.
While the route is primarily on roads and paths, dogs are generally allowed in Redes Natural Park. However, it's crucial to keep your dog on a leash at all times, especially given the presence of wildlife and potential livestock. Always ensure your dog is well-behaved and that you clean up after them.
The best time to cycle the Collada de Arnicio Loop is typically during the spring, early summer, and autumn months. During these periods, the weather is generally more favorable, with pleasant temperatures and less chance of extreme heat or winter conditions that could affect road surfaces at higher elevations. Always check the local weather forecast before you go.
While the Komoot tour starts and ends in Tanes, parking availability can vary. For a convenient starting point, consider looking for parking in Tanes village itself. Alternatively, if you're approaching from a larger town like Pola de Laviana, you might find more extensive parking options there, though this would require adjusting the start of your loop.
Yes, the Collada de Arnicio Loop intersects with or runs concurrently for sections with several other paths. Notably, it covers parts of the Camino real del Sellón (23% of the route), the [CIMA AS20] Collada de Arnicio (21%), and the Asturian Way (19%). You'll also find smaller sections overlapping with the Ruta del Valle del ríu Mediu and the Antiguo trazado AS-17.
Given the route's difficulty and varied terrain, it's advisable to pack essentials such as sufficient water and snacks, a repair kit for your bicycle, appropriate cycling attire, and sun protection. Due to a tunnel on the AS-117 road near the Rioseco reservoir, lights and reflective clothing are highly recommended for safety. Always carry a fully charged phone and a map or GPS device.
Yes, the summit of the Collada d'Arniciu is not just a scenic viewpoint but also hosts the annual Casín Cheese Festival. This event, celebrating a complex, lengthy cheese made from raw cow's milk, takes place on the last weekend of August. It's a great opportunity to experience local culture if your visit coincides.
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