Lai da Ova Spin is a compensation reservoir on the Spöl river at Zernez, Grisons, Switzerland. Its volume is 7.4 mio m³ and surface area .
The arch dam Ova Spin was completed in 1968 and has a height of 73 m.
See also List of lakes of Switzerland List of mountain lakes of Switzerland
External links Swiss dams: Ova Spin Engadiner Kraftwerke AG