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Wikimedia Commons · Free licences

Photo credits who took each photograph

The coverage map shows a real photograph of each river basin district. All of them come from Wikimedia Commons under a free licence. Below are the author, licence and link to the original for each one, as the CC BY and CC BY-SA licences require.

Until July 2026 these images were AI-generated illustrations. They were replaced with real photographs so that what illustrates the map is verifiable rather than synthetic.

District Photograph Author Licence
The Belesar reservoir on the Miño river, its terraced banks exposed by low summer water. Miño-Sil Encoro de Belesar, 2017.jpg Bene Riobó CC BY-SA 4.0
The Mequinenza reservoir in Aragón, town and castle rising above the shore. Ebro Embalse de Mequinenza, Aragón.jpg Juan Emilio Prades Bel CC BY 4.0
The Entrepeñas reservoir in Guadalajara, the Tagus meandering between scrub-covered slopes. Tajo Embalse de Entrepeñas, Guadalajara, España, 2017-01-03, DD 25.jpg Diego Delso CC BY-SA 4.0
Sunset over the Albufera of Valencia seen from the prow of a traditional boat. Júcar Albuferenc, parque natural de la Albufera, Valencia, España, 2022-12-18, DD 25-27 HDR.jpg Diego Delso CC BY-SA 4.0
The Arousa estuary seen from the rocky shore of Aguiño, in Ribeira, with islands on the horizon. Galicia-Costa A ría de Arousa desde O Carreiro de Aguiño. Ribeira. Galiza R43.jpg Luis Miguel Bugallo Sánchez (Lmbuga) CC BY-SA 3.0
The Duero river hemmed in by the granite cliffs of the Arribes nature reserve, with a catamaran sailing downstream. Duero Arribes del Duero - Miranda edited.jpg Manu Vilela, "Cadoalla" CC BY-SA 4.0
The Cenajo reservoir on the Segura river, with the pale bathtub ring left by the falling water level. Segura Embalse del Cenajo 05.JPG Superchilum CC BY-SA 4.0
The expanse of La Serena reservoir in Badajoz stretching across the parched plain. Guadiana Embalse de la Serena (20943937728).jpg senza senso from Moscow, Russua CC BY 2.0
Water-quality monitoring catamaran moored on the Añarbe reservoir in Gipuzkoa. Cantábrico Oriental Añarbeko urtegia, Katamarana.jpg Ksarasola CC BY-SA 4.0
The concrete dam of the Grandas de Salime reservoir in Asturias, seen from the crest. Cantábrico Occidental Embalse de Grandas de Salime 08.jpg Simon Burchell CC BY-SA 4.0
The Los Tilos waterfall cascading through the laurel forest of the Barranco del Agua, La Palma. La Palma Los Tilos, La Palma, waterfall.jpg Gerda Arendt CC0
Panoramic view of the Iznájar reservoir, the largest in Andalusia, among olive-covered hills. Guadalquivir Iznájar y su pantano.jpg Víctor Fernández Salinas CC BY 2.0
The steep-sided channel of the Barranco del Infierno in Tenerife, between pine slopes and mist. Tenerife Barranco del Infierno.jpg Javier Sanchez Portero CC BY-SA 3.0
The old dam at the mouth of the Gaitanes gorge on the Guadalhorce river, beside the Caminito del Rey. Cuencas Mediterráneas Andaluzas Caminito del Rey, antigua presa entrada al desfiladero de los Gaitanes.jpg Malopez 21 CC BY-SA 4.0
Tidal channels and salt-marsh vegetation in the Odiel marshes, Huelva, under a clear sky. Tinto-Odiel-Piedras Marismas del Odiel - 14855831790.jpg Jose A. CC BY 2.0
The Las Niñas dam in Gran Canaria's Nublo rural park, among volcanic crags. Gran Canaria Gran Canaria - Presa de Las Niñas (MGK26230).jpg Markus G. Klötzer CC BY-SA 4.0
The Sau reservoir with the Tavertet cliffs behind and the belfry of the submerged church rising above the water. Cuencas Internas de Cataluña PantaDeSau.jpg Quico Llach Public domain
The Bornos reservoir on the Guadalete river in Cádiz province, with wooded banks. Guadalete-Barbate Embalse-de-Bornos-P1420686.jpg El Pantera CC BY-SA 4.0
The Gorg Blau reservoir in Mallorca's Tramuntana range, ringed by limestone slopes. Illes Balears Gorg Blau seen from the Mirador des Gorg Blau 01.jpg Kritzolina CC BY-SA 4.0
Pools of water held between the bare rock of the Peñitas ravine in Fuerteventura. Fuerteventura Barranco de las Peñitas - Fuerteventura 01.jpg H. Zell CC BY-SA 3.0
Evaporation pans at the Janubio salt flats in Lanzarote, water entering through the channel. Lanzarote Salinas de Janubio 2022 09.jpg Photograph by Mike Peel (www.mikepeel.net). CC BY-SA 4.0
Roque Agando rising over Garajonay National Park in La Gomera. La Gomera Roque Agando, Parque nacional de Garajonay, La Gomera, España, 2012-12-14, DD 01.jpg Diego Delso CC BY-SA 3.0
El Hierro's Charco Azul, a natural turquoise pool beneath a lava arch. El Hierro Charco Azul El Hierro.jpg Areuland CC BY-SA 4.0
The port and waterfront of Melilla seen from the sea, the old town outlined behind. Melilla Vista de Melilla.jpg Lord_SKY from Melilla, España CC BY-SA 2.0
Ceuta seen from the southern bay, a pleasure boat in the foreground and the waterfront behind. Ceuta En Ceuta, sí 46 - Vista de Ceuta desde la bahía sur.jpg JJ Producciones CC BY 3.0