Rio Arrago Cadalso 02 Pm1

Spain River 2 - Good

Los Pilares and Los Cachones are two bathing areas located on the Río Árrago in Cadalso, Extremadura, Spain. Los Pilares is situated at a bridge over the river, while Los Cachones is located approximately 400 meters downstream. Both areas are part of a Mediterranean mountain river system classified as R-T11. The bathing zones are characterized by natural river substrate consisting of pebbles, gravel, and fine sediments, with grass-covered beaches and recreational facilities.

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Water

The Río Árrago is a Mediterranean mountain river (R-T11 classification) with a sinuous channel containing an island between the two bathing areas. The river bed consists of pebbles, gravel, and some fine sediments. The water body is part of the Tajo River basin, ultimately draining to the Atlantic Ocean via the Alagón and Tajo rivers. The hydrographic demarcation is the Demarcation of the Tajo.

Location

Cadalso, Extremadura, Spain. From Cadalso, take the comarcal road CC 5.1 southward. A left turn leads to a path that reaches a bridge over the Río Árrago after 450 meters, where Los Pilares is located. Los Cachones is situated 400 meters downstream. Parking is available.

Facilities

Parking available. Toilets present. Informational signs available. Bar/snack stand available. Picnic areas available. Trash bins and waste containers available. Water fountains available. Recreational zone available. Lifeguards absent. Showers absent. Boat docks absent. Domestic animal access not specified.

Season

June 16 to September 24

Water Quality

The water quality profile indicates significant short-duration contamination risks. Identified contamination sources include self-contamination by bathers, livestock runoff (38 sheep, 34 goats, 7 pigs, 6 horses, 50,042 birds in the municipal area), agricultural runoff from 704 hectares of crops and olive plantations, and potential accidental illegal discharges. A rest center 3,000 meters away presents non-significant contamination pressure. The catchment area covers 42.38 square kilometers with annual precipitation of 836 millimeters.

Risks

Significant short-duration contamination risks identified. Self-contamination by bathers is a significant risk. Diffuse contamination from livestock and agricultural origin (pesticide, herbicide, and fertilizer infiltration). Accidental or illegal discharges. Dead animals. Organic waste. Sediment and sludge remobilization. Abnormally reduced river flow. Episodes involving discharge exceeding the four-year return period or discharge below environmental levels constitute unpredictable risks lasting less than 24 hours.