The Guadalix is a river of Spain located in the centre of the Iberian Peninsula, a right-bank tributary of the Jarama.
| Guadalix | |
|---|---|
| Location | |
| Country | Spain |
| Physical characteristics | |
| Source | Puerto de la Morcuera [es] |
| • location | Miraflores de la Sierra |
| • coordinates | 41°0′55″N 3°51′4″W |
| Mouth | Jarama |
• location | Algete |
• coordinates | 40°36′58″N 3°34′24″W |
| Length | 42 km (26 mi) |
| Basin features | |
| Progression | Jarama→ Tagus→ Atlantic Ocean |
| River system | Tagus |
It springs out of the Sierra de Guadarrama, in the valley flanked by the La Najarra Peak [es], el Puerto de la Morcuera [es], the Alto de la Genciana and the Cordal de la Vaqueriza.[1] Featuring a total length of 42 km,[2] it runs southeastwards through the Community of Madrid until discharging in the Jarama near the Santo Domingo housing development (Algete),[3] next to the Jarama Circuit.
Its waters are impounded by the El Vellón Reservoir [es].[1]
Regarding the etymology of the hidronym Guadalix; the prefix comes from the Arabic wadi ("river") while the suffix -alix has been identified either as an alleged Arab anthroponym or as possibly pre-Arab.[4]
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