The Raia stream is a water reservoir that originates in the municipality of Mora, more specifically in the parish of Cabeção, where the waters of two small streams, the Seda and Tera, meet. A few kilometres further on, it joins the Sor stream, in the parish of Couço, and is a tributary of the Sorraia river, which belongs to the Tagus river basin. The Gameiro dam is located in the initial section of the Raia stream, and is part of the hydro-agricultural development project known as the Prata river. The name Raia probably has Arabic origins.
The Gameiro River Beach is located in the Gameiro Ecological Park, very close to the Mora River. The Gameiro dam, on the Raia River, gave rise to this wonderful bathing area. This ecological park is a point of interest in the municipality due to the variety of attractions and infrastructure available. The existing facilities include a campsite, a picnic area, the Mora River Park, and the Tree Climbing Park, where the entire area is designed for extreme sports. For younger guests, there is a children's playground and a café with a fantastic terrace. There is also an Environmental Interpretation Centre. The most attractive spot is the beautiful wooden walkway, known as the Gameiro Ecological Park Walkway. It is built entirely of wood and is 1.5 kilometres long. It offers an absolutely incredible view over the Raia River. The entire trail provides information about the trees, shrubs and flowers that grow there. For nature lovers, this is undoubtedly the ideal place to spend pleasant summer days. The riverside flora is characterised by poplars and willows, and the trail area is home to pine trees and cork oaks. Some of the points of interest in the area:
• Gameiro Reservoir
• Ribeira da Raia
• Gameiro Ecological Park Walkways
• River Beach
• Picnic Park
• Riverside Areas
• Largo do Lagar Garden
• Nossa Senhora da Purificação Parish Church
• Natural Landscapes