Top 20 Lakes in Castellón
Best lakes in Castellón are found within a province on Spain's eastern coast, featuring diverse natural attractions. The region is characterized by its rugged ravine landscapes, tranquil environments, and significant water bodies. Castellón's lakes and reservoirs serve various purposes, from natural thermal pools to irrigation and flood control. These areas offer opportunities to explore natural features and notable landmarks.
Best lakes in Castellón
- The most popular lakes is Fuente de los Baños - Montanejos Lake, a natural pool known for its therapeutic thermal waters. The waters maintain a constant temperature of 25°C, offering beneficial health properties.
- Another must-see spot is Prat de Cabanes-Torreblanca Natural Park, a natural monument featuring wetlands. Visitors can explore compact dirt tracks among the vegetation and enjoy the natural environment.
- Visitors also love Ulldecona Reservoir, a lake fed by several ravines. The views from the bridge are magnificent, and the water's color varies between emerald and turquoise hues.
- Castellón is known for natural thermal pools, large reservoirs, and wetlands. The region offers a variety of lakes to see and explore, each with distinct characteristics and surrounding landscapes.
- The lakes in Castellón are appreciated by the komoot community. There are 39 highlights with 73 photos and 117 upvotes, indicating a strong interest in the region's water bodies.
Last updated: May 1, 2026
Fuente de los Baños - Montanejos Lake
Highlight • Lake
If what you want is to make a rural getaway, surround yourself with nature and enjoy an authentic thermal paradise, you only have to travel to Montanejos. They say that one of the best qualities of this municipality in the interior of Castellón is the health that it distributes since its waters have healing properties.
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Ulldecona Reservoir
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María Cristina Reservoir
Highlight • Lake
The works began in 1901 and ended in 1925 after several problems during its construction. It is located in the bed of the Rambla de la Viuda, on an area of 265 hectares and with a maximum capacity of 19.59 hm³. The dam is of the gravity arch type built with concrete, with a height of 59 meters and a crest length of 318 m. It has a free sheet spillway with a capacity of 597 m³/s. It is used to recharge the aquifers of the Plana Alta and Plana Baixa regions, it has a capacity of 18.4 hm³.
This dam has overflowed three times due to strong flooding due to cold drops. In 1920 (during construction), 1962 and 2000, the latter caused a hole with a large leak rate in the concrete structure of the dam, and set off all the alarms.
The dam belongs to the Júcar Hydrographic Confederation.
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Ajuez Reservoir
Highlight • Lake
Unfortunately, the reservoir is almost dry and things are slowly getting tight for the fish and turtles.
The Chóvar Reservoir, as it is also called, is part of an ancient local irrigation system built to retain the rushing water from the eponymous gorge. The place name is derived from Arabic, the meaning of which means “common pastureland” and indicates the importance of agriculture and livestock breeding in the region. Due to its capacity of 30,000 m³ and the lack of water sources in the nature park, it is of great value for the fauna. It is currently included in the catalog of wetlands of the Valencian Community
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El Regajo Dam
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A gem in the middle of nature! 🌿🏞️
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Sichar Reservoir
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It was built in 1960 on the course of the Mijares river (in Valencian, riu de Millars) on an area of 317 hectares and with a capacity of 49.3 hm³. The work was built using a concrete gravity dam with a height of 58 m and a crest length of 581 m. Its water evacuation system consists of four bottom spillways with a capacity of 60 m³/s. and another two in the upper part of the dam equipped with gates with a capacity of 2,800 m³/s.
It is mainly used to regulate irrigation, to control floods and to produce electricity. This dam belongs to the Júcar Hydrographic Confederation.
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Montanejos
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Talking about the history of Montanejos is talking about its Black Cave, where we find ourselves in the Neolithic period, discovering that its first settlers were already seduced by this location next to the Mijares River.
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Prat de Cabanes-Torreblanca Natural Park
Highlight • Natural Monument
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Parc Natural del Prat de Cabanes-Torreblanca Wetlands
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Bassa Llona
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Unfortunately, there is rubbish everywhere.
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Tips from the Community
Swimming in this river is a highly recommended and unique experience. During the summer months, there is a fee to enter (unless you stay overnight at a Montanejos accommodation). There is also a charge for parking in the roadside lot. Outside of peak season, both access and parking are free.
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Beautiful mountain biking routes in the area, and tough ones
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Very beautiful, clean lake. You can go pedal boating.
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Park is great, what a contrast with all those apartment complexes
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Beautiful village with wonderful bathing spots
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Very good trial!!!
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Spectacular reservoir and in a privileged environment. A visit is essential if you travel to the area. Starting point for many routes in the area, both hikers and mountain bikers.
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Get close to the river bank and don't miss the views
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Frequently Asked Questions
Which lakes in Castellón are known for their natural beauty and tranquility?
The province of Castellón offers several serene lakes. The Sichar Reservoir in Onda is celebrated for its singular beauty and peaceful environment, with crystalline waters and panoramic viewpoints. The Ulldecona Reservoir also provides magnificent views, with water colors varying between emerald and turquoise hues.
Are there any lakes in Castellón with therapeutic or warm waters?
Yes, the Fuente de los Baños - Montanejos Lake is a highly popular natural pool known for its therapeutic thermal waters. The Mijares river maintains a constant temperature of 25°C, offering beneficial health properties and a pleasant bathing experience year-round.
What kind of outdoor activities can I do near the lakes in Castellón?
Many lakes in Castellón are excellent starting points for outdoor adventures. You can find various hiking and mountain biking routes. For instance, near Montanejos, you can explore routes like 'Montanejos — The Mijares Gorges and the Fountain of the Baths'. For more options, check out the Hiking in Castellón or MTB Trails in Castellón guides.
Are there family-friendly lakes or areas suitable for children in Castellón?
Absolutely. The Fuente de los Baños - Montanejos Lake has a rest area with picnic spots and children's games. The Ajuez Reservoir and El Regajo Dam are also noted as family-friendly. Additionally, the Prat de Cabanes-Torreblanca Natural Park offers compact dirt tracks suitable for family cycling.
Which lakes in Castellón are good for fishing?
The María Cristina Reservoir, located between Alcora, San Juan de Moró, Borriol, and Castellón de la Plana, is known as a perfect spot for fishing.
What natural features can I expect to see around Castellón's lakes?
Castellón's lakes are set within diverse natural landscapes. You'll find rugged ravine landscapes around Montanejos, tranquil environments near the Sichar Reservoir, and the protected natural area of Sierra de Espadán surrounding the Embalse de Benitandús. Many areas also feature forests and offer stunning viewpoints.
Are there any historical sites near the lakes?
Near the Fuente de los Baños - Montanejos Lake, you can find remains of ancient Arab baths from the 12th century. Additionally, the Embalse de Benitandús, when water levels are low, reveals the ruins of an old mill engulfed by the reservoir.
What is the best time of year to visit the lakes in Castellón?
The Fuente de los Baños - Montanejos Lake, with its constant 25°C thermal waters, is pleasant to visit throughout the year. Generally, spring and autumn offer mild temperatures ideal for hiking and exploring the surrounding nature. Summer is also popular for swimming and water activities.
Can I find viewpoints to admire the lakes in Castellón?
Yes, several lakes offer excellent viewpoints. The Ulldecona Reservoir provides magnificent views from its bridge. The Sichar Reservoir has paths leading to panoramic vistas. You can also find a great view of the Regajo Reservoir from a dedicated viewpoint along the greenway.
What do visitors enjoy most about the lakes in Castellón?
Visitors frequently appreciate the natural beauty, tranquility, and recreational opportunities. Many enjoy swimming in the crystal-clear waters, hiking or mountain biking the surrounding trails, and finding peaceful spots for picnics. The therapeutic properties of the thermal waters at Montanejos are also a major draw.
Are there any wetlands or natural parks associated with the lakes?
Yes, the Prat de Cabanes-Torreblanca Natural Park is a significant natural monument featuring wetlands, offering a unique environment to explore among the vegetation.
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