St Helena in the South Atlantic is a true hiker’s paradise. For travellers drawn to remote, off-the-beaten-track adventures, it’s long been one to watch. Now, its iconic Post Box Walks are easier than ever to explore on the Outdooractive  app - opening up these unique trails to millions of outdoor enthusiasts in the UK and beyond. The island’s network of 25 Post Box Walks caters to all abilities, from gentle coastal routes with sweeping ocean views to more challenging trails