William and Kate are travelling to Scotland for a two-day tour which will see them visit a range of projects today from Glasgow's Sir Chris Hoy Velodrome where cyclists will be training, to launching a new Scottish project for their foundation.
The initiative is a pilot scheme which aims to inspire and train the next generation of young sports coaches.
The 18th century mansion was bought, along with its contents and adjoining land, by a consortium led by the Prince of Wales in June 2007.
Charles, known as the Duke of Rothesay in Scotland, will join his son and daughter-in-law as the Manoukian Foundation, a new outdoor centre for uniformed youth services and schools, is opened in the grounds.
The couple are known as the Earl and Countess of Strathearn when in Scotland - a title bestowed by the Queen to mark the Duke's marriage - and tomorrow they will travel to Dumfries House in Ayrshire.
The visit will be marked by a fly-past of three Typhoons from 6 Squadron, RAF Leuchars - a base close to St Andrews University in Scotland where William and Kate first met as students.
The royal couple will then travel to Barrow-in-Furness, Cumbria to learn about the new Astute Class of nuclear powered submarines being built for the Royal Navy by BAE Systems.
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