| Trasona Reservoir | |
| Location Map: | Spain Asturias |
| Location Map Caption: | Location of the Trasona reservoir in Asturias |
| Coordinates: | 43.5467°N -5.8783°W |
| Country: | Spain |
| Location: | Trasona, Corvera, Asturias |
| Opening: | 1957 |
| Dam Type: | Gravity dam |
| Dam Length: | 332m (1,089feet) |
| Dam Height: | 16m (52feet) |
| Dam Volume: | 31000m2 |
| Dam Crosses: | Alvares River |
| Spillway Count: | 1 main |
| Spillway Capacity: | 45m3/s |
| Res Name: | Embalse de Trasona |
| Res Capacity Total: | 4.1lk=inNaNlk=in |
| Res Catchment: | 37km2 |
| Res Surface: | 61ha |
The Trasona Reservoir (Spanish; Castilian: Embalse de Trasona) is a reservoir in Asturias, Spain across the Alvares River. It is located in the parish of Trasona, in the municipality of Corvera de Asturias.
The reservoir is property of Arcelor. Its construction was finished in 1957, with the aim of supply water to the steel plant located in Avilés and to the population of the zone. It is also used for sporting purposes. Near the reservoir are located sporting facilities for canoeing. This facilities were improved in 2010 for hosting the Canoe Sprint European Championships.[1]
The reservoir is supplied by the rivers Alvares and Narcea, from this last one thank to the Canal del Narcea, a 27 km channel.