Parque Natural de Cornalvo is a protected natural park in Extremadura, Spain, famed for its ancient Roman reservoir, diverse Mediterranean ecosystems, and prime hiking opportunities amid oak forests and rolling hills.
Parque Natural de Cornalvo, located near the city of Mérida in the Extremadura region of southwestern Spain, is centered around one of Europe's oldest functioning Roman reservoirs—Cornalvo Dam, constructed in the 1st century AD. The park covers approximately 1,367 hectares and encompasses a variety of Mediterranean habitats including holm oak forests, shrublands, and riparian zones that support rich biodiversity. The landscape is characterized by gently undulating terrain, featuring rocky outcrops, small streams, and the large reservoir that provides vital water resources. It is a key site for birdwatching with numerous species such as griffon vultures, black storks, and Bonelli's eagles found within the park. Visitors can explore numerous hiking and mountain biking trails winding through scenic woodlands and around the reservoir, while enjoying striking views of the dam and surrounding countryside. The area is also important for archaeological and historical interests due to the ancient Roman infrastructure and nearby traditional villages. The natural park’s tranquility, combined with its cultural heritage, makes it an attractive destination for nature lovers, outdoor enthusiasts, and history buffs. Facilities are well-maintained, with marked trails and interpretive signs offering insights into the ecology and history of the area. The park's Mediterranean climate means hot, dry summers and mild, wet winters, perfect for spring and autumn visits. Local efforts focus on protecting the park's natural resources and promoting sustainable tourism.
Ancient Cornalvo Roman Dam – one of the oldest functioning Roman dams in the world
Rich Mediterranean flora and fauna including holm oak forests and endemic bird species
Extensive hiking and mountain biking trail network circling the reservoir
Quieter, lesser-known natural areas perfect for solitude and wildlife photography
Built in the 1st century AD, this remarkably well-preserved dam still impounds water for irrigation and is a striking example of Roman engineering ingenuity.
The park is dominated by dense evergreen oak woodlands that provide critical habitat for diverse wildlife, including nesting raptors.
The area is an important bird conservation site, hosting species like the black stork, Bonelli’s eagle, and griffon vulture.