Beniarrés Dam is a dam in the townships of Beniarrés, Alcosser and Planes, all located in Alicante, Land of Valencia, Spain.

The dam is built on the Serpis River, and is high, and has a crest length of almost . The surface area of its reservoir reaches , distributed between three municipalities, Beniarrés (22.3%), where the dam was built, Planes (64.9%), and Alcosser (12.8%).

Its capacity is of water, although it rarely reaches its full capacity because of the droughts caused by climate change in the region, running at around 13-14% of its capacity in 2024.

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