Riaño is a lake-based kitesurfing spot in the Castilian highlands of northern Spain, formed by the Riaño reservoir. The lake faces west toward the land, with residential development occupying the southwestern shoreline. The eastern and northern shores feature steep, forested terrain with minimal infrastructure. This is a sheltered inland water body with consistent but light wind patterns typical of mountain lake environments. The spot suits beginners and intermediate riders seeking calm, contained conditions away from ocean swell and currents. Best wind conditions arrive from the north, providing side-shore winds parallel to the western development zone. Water depth varies significantly, with shallow areas near residential zones and deeper water extending into the lake center. The surrounding mountains limit fetch, keeping wave heights minimal. Kiters should be aware of potential boat traffic from residential areas, shallow approach zones, and the challenging recovery scenario if wind drops in this light-wind location. Average wind of 4.6 knots and 0.5% reliability suggest this spot requires patience and selective visiting during favorable conditions.