There's treasure about if you know where to look for it. Using one of our GPS units, enjoy a 2 mile walk in the coastal countryside while searching for clues and goodies located in hidden boxes along the way. The routes include clifftop sections of the fabulous Cleveland Way National Trail and adults need to take full responsibility for children in their group. It's £5 to hire the GPS unit (per family), plus a £20 refundable deposit. The route takes about 2 hours to complete and you can just turn up on the day Just come to the National Trust Visitor Centre at Ravenscar anytime between 10.30 and 2pm.