John McCarthy walks with volunteer rangers on the South Downs

John McCarthy is this week's guest presenter, while Clare is away.The theme of this series of Ramblings is listeners' walks .Today's guests are volunteer rangers on the South Downs Way, Anni Townend and Ian Lock. Anni wrote to the programme to suggest we walk with her on a six mile stretch of the Way from Housedean Farm to Southease. This is her 'patch', which - as a ranger - she walks every month carrying out conservation work including scrub clearance and hedge laying, as well as improving public access and surveying wildlife and plantlife.OS Explorer 122 South Downs Way, Steyning to Newhaven 1:25,000Producer: Karen Gregor.