Top 10 Lakes around Osona
Best lakes around Osona are primarily found within the Osona region of Catalonia, Spain, characterized by its prominent reservoir and various natural pools and gorges. The area is nestled at the foot of the Guilleries massif, offering diverse aquatic environments. These water bodies provide picturesque landscapes and opportunities for outdoor activities within a natural setting. The region's geography includes both man-made reservoirs and natural river formations.
Best lakes around Osona
- The most popular lakes highlight is Church of Sant Romà de Sau (Submerged Bell Tower), a religious building that is part of a village submerged by the Sau Reservoir. The bell tower becomes visible when water levels are low, offering a unique historical sight.
- Another must-see spot is View of the Cingles de Tavertet from Sau Reservoir, a viewpoint offering a panoramic view of the Sau reservoir and the surrounding mountains. Visitors can expect expansive vistas of the water and cliffs.
- Visitors also love View of the Sau Reservoir and the submerged church from the Pla del Castell viewpoint, a viewpoint providing a spectacular view of the entire Pantà and the submerged church. This spot offers a comprehensive perspective of the reservoir's key features.
- Osona is known for its reservoirs, natural pools, and gorges. These include the large Sau Reservoir and smaller natural swimming spots formed by rivers.
- The lakes around Osona are appreciated by the komoot community, with more than 80 upvotes and 27 photos shared across the highlights.
Last updated: April 28, 2026
Church of Sant Romà de Sau (Submerged Bell Tower)
Highlight • Religious Site
It is part of a system of three reservoirs, together with those of Susqueda and Pasteral, which joins the counties of Osona and La Selva. The reservoir, inaugurated in 1962, covered the town of San Román de Sau, the remains of which, especially the bell tower of the temple, are visible when the water level is low and, even in times of prolonged drought, the town is left to the discovered and it is possible to visit it.
The church of the Sau swamp is registered as the oldest in the world that is preserved standing in the water. This is confirmed by a study promoted by the international entity for world record records Official World Record with the collaboration of a research group from the University of Barcelona in the year 2021.
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Sau Dam
Highlight • Lake
It is part of a system of three reservoirs, together with those of Susqueda and Pasteral, which joins the counties of Osona and La Selva. The reservoir, inaugurated in 1962, covered the town of San Román de Sau, the remains of which, especially the bell tower of the temple, are visible when the water level is low and, even in times of prolonged drought, the town is left to the discovered and it is possible to visit it.
The church of the Sau swamp is registered as the oldest in the world that is preserved standing in the water. [2] This is confirmed by a study promoted by the international entity of world record records Official World Record with the collaboration of a research group from the University of Barcelona in the year 2021.
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Riera de Sorreigs Reservoir
Highlight • Lake
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View of the Cingles de Tavertet from Sau Reservoir
Highlight • Viewpoint
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View towards the Monastery
Highlight • Viewpoint
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Playa de la Rovira
Highlight • Beach
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Vila-rasa Reservoirs
Highlight • Lake
These are two small swamps. The largest, rounded and located to the northwest of the smaller, occupies an approximate area of 1.2 hectares and has a perimeter greater than 400 meters. The minor has an elongated shape, is located at a lower level than the major (approximately 8 meters) and occupies an area of approximately 2300 square meters, with an approximate perimeter of 200 meters.
The two swamps are surrounded by slopes covered with pines, reaching in several areas close to the swamps. Due to their status as a wetland, the two swamps are home to numerous species of animals, especially birds.
patrimonicultural.diba.cat/element/pantans-de-vila-rasa
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Viewpoint Over the Fornils Valley and Susqueda Reservoir
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View of the Pantà de Sau and the surrounding mountains
Highlight (Segment) • Viewpoint
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Tips from the Community
The climb up from the lake is challenging, even at 20 degrees Celsius. Surefootedness and sturdy footwear are definitely recommended, as the trail is often very narrow and runs along the slope on sloping terrain. In summer (August), the numerous small, crossing streams dried up.
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Sau Dam Tip for Bikepackers When riding near the Pantà de Sau (Sau Reservoir), don’t miss stopping at the Sau Dam viewpoint. It’s a spectacular spot to catch your breath and take in the sweeping views of the turquoise reservoir framed by steep cliffs and lush forests. 🌊 If water levels are low, you might even spot the famous submerged bell tower of the old village of Sant Romà de Sau poking out of the water — a haunting and iconic sight that adds a unique story to your ride. 🛑 Keep in mind the area around the dam can be a bit steep and technical on gravel roads, so take it easy if you’re loaded up. 💡 Pro tip: Early morning or late afternoon light here is magical for photos and gives you cooler temperatures for climbing or descending.
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In this year 2024, the Sau reservoir has suffered one of the greatest droughts since there are records, in 1963 was the year it was inaugurated to leave Sant Romà de Sau under its waters, This Sau swamp in the Ter River... It would serve to supply water 💧 for many regions, since in those times we already had periods of lack of water to supply the basic needs of the population.
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It is worth stopping here, right next to the track, between two trees a stone juts out that acts as a balcony towards the Fornils valley and the Susqueda marsh.
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A great place even if the reason why this village reappears after 60 years is more than sad. Water shortage in Catalonia.
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Amazing views of the Del Ter ravine
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La Rovira beach is located in the Sau reservoir, where the vestiges of the villages that were flooded to create the reservoir still remain. From this beach there are fantastic views of the spectacular cliffs that surround the swamp.
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It is worth leaving the main trail and going down to see the old bell tower and the church of Sau on the other bank without trees in the middle
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Frequently Asked Questions
What historical sites can be found near the lakes in Osona?
The most notable historical site is the Church of Sant Romà de Sau (Submerged Bell Tower), which becomes visible when the water levels of the Sau Reservoir are low. This Romanesque church is part of a village submerged in 1962 and is considered the oldest standing church in the world preserved in water. You can also find other historical elements like forgotten hermitages on surrounding trails.
Are there natural pools or waterfalls for swimming in Osona?
Yes, beyond the Sau Reservoir, Osona offers several natural swimming spots. La Foradada de Cantonigròs is an impressive gorge with a waterfall emptying into a natural pool, ideal for a refreshing dip. The Riera de Merlès also features small waterfalls and serene waters for bathing. Additionally, the area around Rupit has water routes leading to natural pools and waterfalls, such as those before Salt de Sallent.
What outdoor activities can I do near the Osona lakes?
The Osona lakes, particularly the Sau Reservoir, are excellent for various outdoor activities. You can enjoy watersports like rowing, sailing, waterskiing, kayaking, and paddleboarding. The surrounding area is also popular for hiking and mountain biking, with numerous trails offering panoramic views. For specific routes, you can explore running trails, easy hikes, and cycling routes in the region.
Are there family-friendly lakes or activities in Osona?
Absolutely. The Vila-rasa Reservoirs are noted as family-friendly, offering a pleasant environment within a forest. Playa de la Rovira is also a family-friendly spot by the water. The natural pool at La Foradada de Cantonigròs is easily accessible and suitable for families looking for a refreshing swim. Many gentle walking trails around the Sau Reservoir are also suitable for families.
What are the most scenic viewpoints around the Osona lakes?
Osona offers breathtaking views, especially around the Sau Reservoir. Key viewpoints include the View of the Cingles de Tavertet from Sau Reservoir, which provides a beautiful panoramic view of the reservoir and surrounding mountains. Another spectacular spot is the View of the Sau Reservoir and the submerged church from the Pla del Castell viewpoint, offering a comprehensive perspective of the reservoir and its iconic church. The Viewpoint Over the Fornils Valley and Susqueda Reservoir also provides expansive vistas.
What is the best time to visit the Osona lakes?
The Osona lakes can be enjoyed year-round, but each season offers a different experience. Spring and autumn are ideal for hiking and exploring, with pleasant temperatures and vibrant natural colors. Summer is perfect for watersports and swimming in the natural pools like La Foradada. To see the submerged bell tower of Sant Romà de Sau, visiting during periods of lower water levels, often in late summer or during dry spells, is recommended.
Are there hiking trails near the Sau Reservoir?
Yes, the area around the Sau Reservoir is rich with hiking trails for various levels. You can find routes that offer views of the reservoir, the Cingles de Tavertet, and the submerged church. For specific hiking options, you can explore easy hikes around Osona, which include trails in the wider region that might pass by or offer views of the reservoir.
What unique natural features can I expect to see around the Osona lakes?
Beyond the prominent Sau Reservoir, you'll encounter diverse natural features. The region is characterized by its location at the foot of the Guilleries massif, featuring imposing cliffs and lush forests. The Riera de Sorreigs Reservoir area is known for its waterfalls, including the Gorg Negre, and is part of a protected natural interest area. The amphitheater-like gorge of La Foradada with its waterfall is another unique geological formation.
Can I observe wildlife near the Osona lakes?
Yes, the tranquil environment of the Sau Reservoir and other natural areas in Osona provides excellent opportunities for wildlife observation. At dawn or dusk, visitors might spot waterbirds, deer, wild boars, and even booted eagles. The Riera de Merlès valley, known for its rich biodiversity, is another great spot to connect with nature and observe local flora and fauna.
What do visitors enjoy most about the Sau Reservoir?
Visitors are particularly captivated by the unique sight of the Church of Sant Romà de Sau (Submerged Bell Tower) when water levels are low, offering a haunting glimpse into the past. The sweeping panoramic views from spots like the View of the Cingles de Tavertet from Sau Reservoir are also highly appreciated. Many enjoy the variety of outdoor activities, from watersports to hiking, and the overall scenic beauty of the reservoir framed by cliffs and forests.
Are there other reservoirs besides Sau in the Osona region?
While the Sau Reservoir is the most prominent, Osona is part of a system of three reservoirs, including Susqueda and Pasteral, which connect the Osona and La Selva regions. Within Osona itself, you can also find the Riera de Sorreigs Reservoir and the Vila-rasa Reservoirs, which offer their own unique charm and natural settings.
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