4.3
(44)
744
hikers
50
hikes
Hiking around Castrillón, a municipality on the central coast of Asturias, Spain, offers diverse natural landscapes. The region features rugged coastlines with numerous beaches, coves, and cliffs, alongside a green interior with fertile valleys and rivers. Elevations increase towards the southwest, reaching the Alto del Prado del Marqués at 438 meters. Castrillón is also part of the Northern Route of the Camino de Santiago, providing established walking paths.
Last updated: May 12, 2026
5.0
(2)
27
hikers
10.5km
02:57
210m
210m
Moderate hike. Good fitness required. Easily-accessible paths. Suitable for all skill levels.
4.2
(5)
49
hikers
7.41km
01:53
20m
20m
Easy hike. Great for any fitness level. Easily-accessible paths. Suitable for all skill levels.

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3.0
(1)
44
hikers
Moderate hike. Good fitness required. Easily-accessible paths. Suitable for all skill levels.
5.0
(2)
37
hikers
11.9km
03:32
360m
360m
Moderate hike. Good fitness required. Easily-accessible paths. Suitable for all skill levels.
3.0
(1)
38
hikers
7.40km
01:54
40m
40m
Easy hike. Great for any fitness level. Easily-accessible paths. Suitable for all skill levels.
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We do this area from the train station in San Juan, then we pass through El Espartal and continue to Arnao. On the way back, we go up to the area of the northern path to return to the train station but via the wooden walkway between the dunes.
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Salinas Beach, in the municipality of Castrillón (Asturias), is one of the most vibrant and complete destinations on the Cantabrian coast. Salinas Beach and San Juan de Nieva Beach: Together they form a stretch of almost 3 km, with urban and wild areas.
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The harbor entrance behind you opens the magnificent bay
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Very beautiful, wide beach that slopes gently towards the sea
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Just to the left of the large beach is the small, rougher bay, which can also be used for swimming in calm weather
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Art with surprising insights and perspectives directly on the coast
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The Philippe Cousteau Anchor Museum is an open-air monumental complex with free access located in the municipality of Castrillón, very close to Avilés on the Asturian coast. Up to 8 historical anchors recovered from the seabed and others donated are exhibited in this museum. The museum is dedicated to the memory of Jacques Cousteau's deceased son, Philippe Cousteau. Visiting it is an ideal plan to go with children, where they can enjoy the history of these enormous iron masses and the impressive views.
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nice stretch of beach with promenade
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Castrillón offers a wide variety of hiking experiences, with over 50 trails recorded on komoot. These routes cater to different preferences, from easy coastal strolls to more challenging inland explorations.
Yes, Castrillón has plenty of easy hiking options, with 23 routes classified as easy. An example is the Playa de Salinas – Sails and Anchors Sculpture loop from Salinas, which is 4.3 miles (7.0 km) and takes about 1 hour 48 minutes, leading through coastal dunes and beaches.
Many of Castrillón's trails are designed as circular routes, allowing you to start and end at the same point. For instance, the Monument to Philippe Cousteau – Sails and Anchors Sculpture loop from Salinas is a popular moderate loop that explores coastal areas.
Castrillón's hiking trails offer a diverse range of landscapes. You'll find rugged coastlines with numerous beaches, coves, and dramatic cliffs, as well as a green interior featuring fertile valleys, rivers like Fontaniella, Fureria, and Raíces, and increasing elevations towards the southwest, reaching the Alto del Prado del Marqués at 438 meters.
Yes, Castrillón blends natural beauty with historical interest. The Coastal Path from Playa del Puerto to Arnao and the Anchor Museum passes through Arnao, home to the Arnao Mine Museum, Spain's first documented underwater coal mine. Other nearby attractions include the Castillo de San Martín and the Selgas Palace and the Jesús Nazareno Church‑Pantheon.
While specific dog-friendly regulations can vary by beach or protected area, the general nature of Castrillón's coastal and inland trails makes it a good region for walking with dogs. Always ensure your dog is under control and check local signage for any restrictions, especially on beaches during peak seasons.
Many of the easier coastal walks and trails through the green interior are suitable for families. The diverse landscapes, including beaches like Salinas and Santa María del Mar, offer engaging environments for children. Look for routes classified as 'easy' on komoot for the most family-friendly options.
Castrillón is renowned for its stunning coastal paths. You can explore numerous beaches such as Bayas, Deva, Salinas, Arnao, and Santa María del Mar. The Coastal Path from Playa del Puerto to Arnao and the Anchor Museum is a prime example, offering picturesque views and a moderate challenge.
Yes, Castrillón is part of the 'Northern Route' of the Camino de Santiago, also known as the 'Route of Saint James'. This means you can find established walking paths that are part of this historic pilgrimage route, offering opportunities for longer walks and a unique cultural experience.
Castrillón is a well-connected municipality in Asturias. While specific bus routes to every trailhead may vary, public transport options, including local buses, generally serve the main towns and coastal areas, making it possible to access many starting points for hikes. It's advisable to check local bus schedules for specific routes.
Many popular trailheads, especially those near beaches and towns like Salinas, Arnao, and Santa María del Mar, offer designated parking areas. For example, starting points for routes like the Santa María del Mar Beach – Arnao Mine Museum loop from Salinas typically have parking facilities nearby.
Castrillón benefits from a mild, oceanic climate, making hiking enjoyable for much of the year. Spring and autumn offer pleasant temperatures and lush scenery, ideal for exploring both coastal and inland trails. Summer is also popular, especially for coastal walks combined with beach visits, though it can be busier. Winter hikes are possible, but be prepared for cooler, potentially wetter weather.
The area is highly rated by the komoot community, with an average score of 4.3 stars from over 40 reviews. Hikers frequently praise the stunning coastal scenery, the variety of trails from easy beach walks to more challenging routes, and the opportunity to combine nature with cultural sites like the Arnao Mine Museum.


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