Ramblings Radio 4, 3pm

For six years, a listener known only as Caravan lived rough in the Peak District, an area he knows well due to his passion for outdoor pursuits. Now he's taking Clare Balding (right) on a tour of Dovedale, during which he reveals why railway stations were crucial to his survival.

Today's In Tune (Radio 3, 5pm) features a live performance by cellist Margarita Balanas and pianist Antoine Préat, who offer a taster of what to expect from their forthcoming concerts at the Rye Arts Festival.

Can comedian Sikisa persuade Shaun Keaveny to visit Barbados in Your Place Or Mine (Radio 4, 11pm)? It doesn't sound like a tricky task...