Best lakes around Odemira are found in the Alentejo region of Portugal, a municipality known for its natural beauty and diverse aquatic landscapes. The area features significant hydraulic structures like the Barragem de Santa Clara and tranquil river beaches such as Pego das Pias. These locations offer a variety of natural features, from vast reservoirs to secluded natural pools, shaped by the Mira River and its tributaries. Odemira provides opportunities for both active exploration and peaceful retreats amidst forests and verdant hills.
Last updated: May 13, 2026
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Hiking around Odemira

Gravel biking around Odemira
The Mira River is the soul of this region, feeding it through an ingenious system of canals that distribute its water throughout the landscape. Despite being shaped by human hands, the reservoir of the Santa Clara dam dazzles with its natural beauty. From the top of the enormous dam wall, the view over this immense lake is breathtaking, and, on the banks, the river beach, one of the best in the Alentejo, invites you to take a refreshing dip.
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Here, in the middle of this arid landscape, you come across a small dam, surrounded by pine and olive groves. Here, the landscape becomes dry, dotted with scattered ponds. The forage fields stretch between patches of pine forest, uncultivated land and vast olive groves, where rye grows under the silvery canopies.
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Completed in 1954, the large Campilhas dam lake can be used to produce electricity, supply drinking water and maintain an irrigation network. Due to repeated droughts, the lake can no longer recover the levels of its creation.
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Very nice open water swimming pool at the Barragem de Santa Clara a pleasant cooling off at the temperatures 🤗
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Also nice for small tours
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The lakes around Odemira offer diverse natural features. The Santa Clara Dam features a vast reservoir with clear waters and a perimeter of 242 kilometers, surrounded by forests and verdant hills. Pego das Pias is known for its unique natural pools and circular rock formations called 'Pias,' carved by water erosion in a secluded valley. You can also find smaller, ornamental lakes in Souza Prado Square within Odemira town.
Yes, swimming is a popular activity. The Santa Clara Dam has a dedicated river beach section with Blue Flag recognition, offering clear, refreshing waters. Pego das Pias also provides crystal-clear natural pools perfect for swimming, and adventurous visitors often enjoy jumping from the surrounding cliffs into deeper sections.
Absolutely. The area around Santa Clara Dam is part of the Rota Vicentina network, offering various walking routes that combine stunning nature with authentic Alentejan villages. For more options, you can explore the Running Trails around Odemira guide, which includes routes near the region's aquatic landscapes.
The extensive reservoir of Barragem de Santa Clara is ideal for a variety of water sports. You can enjoy boating, water skiing, windsurfing, and paddleboarding. The clear, fresh waters and vast expanse make it a perfect spot for these activities, though jet skis are generally forbidden to maintain a peaceful atmosphere.
Pego das Pias offers a unique natural experience. While it's a beautiful spot for swimming and connecting with nature, its secluded and wild character, with opportunities for cliff jumping, might be more appealing to older children and adventurous families. There are no specific facilities, so visitors should come prepared.
Pego das Pias is an excellent choice for a quiet, secluded natural spot. It's an isolated river beach and natural swimming area along the Torgal creek, known for its unspoiled beauty and tranquil environment. Surrounded by abundant trees, it offers a peaceful escape from crowds.
The Santa Clara Dam is known for its vast reservoir, once one of the largest in Europe by area, creating a 'blue sea' appearance. It's appreciated for its clear, fresh waters, a popular Blue Flag river beach, and breathtaking views from the dam wall. It also serves as a hub for water sports and nature activities like birdwatching.
Yes, there are several viewpoints. From the top of the Santa Clara Dam wall or from viewpoints like Cerro da Confraria, you can enjoy breathtaking views of the immense lake. Additionally, the View of the Odelouca Dam and Reservoir offers sights of the Odelouca reservoir from various points, including Picota peak.
The lakes in Odemira, particularly Barragem de Santa Clara and Pego das Pias, are ideal for visiting during warmer months. Summer temperatures in the Santa Clara reservoir often exceed 25°C, making it perfect for swimming. The abundant shade at Pego das Pias also provides relief during hot days. Spring and autumn offer pleasant temperatures for hiking and exploring the natural surroundings.
The Campilhas Reservoir, completed in 1954, is primarily used for electricity production, supplying drinking water, and maintaining an irrigation network. It dams the Campilhas river, a tributary of the Sado, and is an important hydraulic structure in the Alentejo region.
Near Santa Clara Dam, the Santa Clara river beach section offers support facilities. The nearby village of Santa Clara-a-Velha, part of the Rota Vicentina, would be a good starting point for finding local amenities, cafes, and accommodation options. Pego das Pias is more secluded, with many visitors opting for camping to stay close to nature.
The Malhão Mediterranean temporary pond is a fascinating natural monument. These ponds are unique ecosystems that fill with water during rainy seasons and dry out completely in summer. They are crucial refuges for biodiversity, and even when dry, they offer a unique landscape to explore via a short informative walking path on decking.
Yes, the Odemira region offers excellent opportunities for cycling and mountain biking. You can find various routes that pass near the lakes and reservoirs. For detailed trails, refer to the MTB Trails around Odemira and Cycling around Odemira guides, which include routes like the 'View of the Mira River – Almograve loop' and 'Zambujeira do Mar Beach – Odeceixe loop'.
The Odelouca Dam is notable for its presence in an arid landscape, surrounded by pine and olive groves. It creates a small reservoir that contributes to the region's water resources. The landscape around it becomes dry, dotted with scattered ponds and forage fields, offering a distinct natural setting.


Still not found your perfect lake around Odemira? Check out the guides of these regions to see even more beautiful places.