Iain Robertson embarks on a 215-mile coast-to-coast challenge of walking the Southern Upland Way, from Portpatrick on the west coast to Cockburnspath on the east coast.

Iain Robertson continues his coast-to-coast walk along the Southern Upland Way. He is joined by actor Howard Ward, chef Christine Burke, and heads to St Mary's Loch with friend Jasmine Main.

With 71 miles left of his journey along the Southern Upland Way, Iain Robertson is joined by photographer Elaine Livingston and River City co-star Grant Stott on the last leg of his 215-mile walk.

Iain begins a new 131-mile ramble as he heads north to tackle the Speyside Way. He treks to the wilderness with Colin McCredie and friend Barratt Robertson.

Having covered almost 50 miles of the Speyside Way, Iain Robertson is joined by River City co-star Sally Howitt for an exciting diversion on a steam train.

For the final third of his 131-mile Speyside Way trek, Iain Robertson is joined by musician Paul Anderson and actor Joanne Gallagher as they celebrate Scotland's landscape.