With the sun shining, there’s no better time to head out into nature and explore the UK's breathtaking trails. But there’s no need to stuff your backpack with massive OS (Ordnance Survey) maps. The most powerful navigation tool you own is already in your pocket!Forget the old-school maps and pricey GPS devices. Today’s smartphones, with the right apps, can be your guide, safety net, and personal trainer all rolled into one. We’ve rounded up the essential apps that turn your phone into the ultimate hiking companion. Plus, to help you get kitted out for your next trek, we're giving one lucky reader the chance to win a Garmin Venu 3s!Whether you're strolling through the Yorkshire Dales or summiting in Snowdonia, your trusty mobile will help you uncover new routes, stay safe, and track every step. Your guide to navigation apps.