Relleu Reservoir Nature · Relleu, La Marina Baixa, Alicante Image of Relleu, not of the place itself. Arch dam built in the 18th century at the initiative of the people of Villajoyosa, with royal authorisation from Felipe IV. No longer in use, the wooden walkway installed in 2022 allows visitors to walk through the narrow gorge where it stands. Photo: Tradicional (CC BY-SA 3.0) What to see and do in Relleu