On the same day the career of Chautauqua has been celebrated with a farewell at Flemington, Coolmore Stud has announced the death of the sprinter's sire Encosta De Lago.

A multiple champion sire and the reigning champion broodmare sire, Encosta De Lago is one of the greatest Australian-bred sires.

He produced 26 Group One winners worldwide headed by six-time elite winner Chautauqua, the one-time highest rated sprinter in the world.

Among Encosta De Lago's other Group One winners are Racing To Win, Alinghi and English.

The 25-year-old was retired from stud duties two years ago and spent his final days at Coolmore Stud in the NSW Hunter Valley.

"'Encosta' will be greatly missed by all who dealt with him at Coolmore over the last 14 years," Coolmore Australia principal Tom Magnier said.

"He was a horse with a beautiful nature and we were incredibly lucky to have him.

"His legacy will live on through his sire line descendants like Zoustar and Rubick, as well as through his daughters, who have already made him champion broodmare sire."