Mill House (horse) Mill House (horse) Mill House (1957–1975) was an Irish-bred but English-trained racehorse. He is considered one of the best National Hunt racing competitors in UK horse racing history but whose quality was overshadowed by arch rival Arkle. Mill House won the 1963 Cheltenham Gold Cup and 1967 Whitbread Gold Cup. Known as 'The Big Horse' on account of his height of 18 hands, Mill House took part in one of the most famous battles of National Hunt Racing when in March 1964, he defended his Cheltenham crown against the Irish star Arkle. Trained by Fulke Walwyn and ridden by Willie
David Nicholson (horse racing) in the 1964–65 season. His biggest win came in the Whitbread Gold Cup on Mill House in 1967. As a trainer he was one of the leading trainers in National Hunt racing during the 1980s and 1990s. He won the Cheltenham Gold Cup with Charter Party in 1988, the King George VI Chase with Barton Bank in 1993 and the Queen Mother Champion Chase with Viking Flagship in 1994 and 1995. He retired in 1999. In 2008 an extra race was added to the Cheltenham Festival named the David Nicholson Mares' Hurdle in honour of Nicholson. David Nicholson (horse racing)