<p>Need inspiration for a great family day out? Here are thirty imaginative and varied walks specially designed to appeal to children, all within County Dublin. Explore some of the county's finest landscapes and historical attractions - including Ardgillan Castle, the Hell Fire Club, Bull Island and Killiney Hill - or enjoy the delights of the city and its suburbs, strolling by the Dodder, the Grand Canal or through Marlay Park.The walks are...