garganta de los infiernos natural reserve, extremadura, spain

pilones pedestrian bridge garganta infiernos reserve extremadura spain trekker point view pov one person trekking shoes feet standing adventure parapet wooden logs watercourse running water cold turquoise crystalline river bed rapids jerte huge granite roundshaoed forms carved fluvial erosion vertical panoramic tectonic reactivation upper early autumn season travel sierra tormantos gredos valley hells gorge tornacavas cabezuela del valle mountains hills blue sky hydrographic network