Best natural monuments around Sant Andreu Salou, located in the Girona region of Spain, offer a landscape rich in natural heritage. The area features unique geological formations, including a prominent volcano, and natural thermal springs. These sites provide diverse ecosystems and opportunities for exploration.
Last updated: July 1, 2026
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Beautiful spot near the source of the Onyar River.
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The Malavella Castle dates from the 11th century. It is built on Puig de Sant Maurici, where there is a volcanic outcrop. The rocks from this outcrop were used as materials to build the castle.
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The Resclosa de Can Borra is an old reservoir that stored the water of the Onyar river for use in irrigation.
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Large town, with all services.
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Caldes de Malavella is a Spanish municipality in the La Selva region in the province of Gerona, autonomous community of Catalonia. The population has three spas that take advantage of the thermal waters of the municipality. These waters spring up at a temperature that oscillates between 80 and 120 °C. The main economic activity is in the service sector (hotels, restaurants, golf) and in the industry dedicated to bottling thermal waters. There are four companies with bottling plants within the municipal term that employ almost half of the population. https://es.m.wikipedia.org/wiki/Caldas_de_Malavella
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The area is rich in natural heritage, featuring the impressive Crosa Volcano, known for having the largest crater on the Iberian Peninsula. You can also visit Caldes de Malavella, famous for its natural thermal waters and historical Roman baths. Additionally, you'll find ancient trees and river features like the Resclosa de Can Borra.
The Crosa Volcano is remarkable for its sheer size, boasting the largest crater on the Iberian Peninsula at 1,250 meters in diameter. Its formation involved violent phreatomagmatic explosions, creating a distinctive structure with a second, smaller crater inside the main one. It's also a protected natural space with diverse flora and fauna.
Caldes de Malavella is renowned for its natural thermal waters, which emerge at high temperatures (historically 80-120°C, or an average of 56-60°C). These mineral-medicinal waters supply local spas and bottling plants, including the famous Vichy Catalán, and have been utilized since Roman times, with well-preserved Roman baths still visible.
Yes, the region beautifully blends history with nature. For instance, Malavella Castle, an 11th-century structure, was built on a volcanic outcrop using its rocks. In Caldes de Malavella, you can explore ancient Roman baths that highlight the long-standing appreciation for the thermal springs.
You can find marked hiking trails around the Crosa Volcano, offering informative panels and panoramic viewpoints. The surrounding Mediterranean landscape near Caldes de Malavella is also ideal for hiking, with routes like the path to Puig de les Ànimes providing spectacular views. For more options, explore the various hiking routes in the region, such as those found in the Gravel biking around Sant Andreu Salou guide.
Absolutely. The area around Sant Andreu Salou is excellent for cycling. You can enjoy routes like the Ruta del Carrilet, which features an Ancient Tree as a stopping point. For more detailed cycling routes, check out guides like Gravel biking around Sant Andreu Salou, MTB Trails around Sant Andreu Salou, and Road Cycling Routes around Sant Andreu Salou.
Many natural monuments in the area are suitable for families. The Crosa Volcano offers paths that are fun for kids to walk or bike. Caldes de Malavella, with its thermal springs and historical sites, can also be an engaging visit for families. The Ancient Tree on the Ruta del Carrilet is another family-friendly spot along a greenway.
The terrain is quite varied. Around the Crosa Volcano, you'll encounter volcanic landscapes and forest trails. The Ruta del Carrilet offers smoother gravel paths, while other areas feature Mediterranean landscapes, river features like the Resclosa de Can Borra, and elevated points offering panoramic views.
Visitors particularly appreciate the unique geological formations, such as the vast crater of the Crosa Volcano, and the historical significance of places like Caldes de Malavella with its Roman baths. The diverse ecosystems, opportunities for hiking and cycling, and the scenic viewpoints also receive high praise from the komoot community.
Yes, the Crosa Volcano has marked hiking trails that lead to viewpoints, offering insights into its volcanic activity and panoramic vistas. Additionally, the path to Puig de les Ànimes near Caldes de Malavella provides spectacular panoramic views of the La Selva plain and surrounding mountains.
Yes, the region is home to notable natural elements beyond volcanoes and thermal springs. You can find an Ancient Tree along the Ruta del Carrilet, which serves as a pleasant stopping point. The Resclosa de Can Borra is another interesting spot, an old reservoir near the source of the Onyar River.


Extend your search for the best caves by checking out these guides of the top ones around Sant Andreu Salou: