Britain has long been a haven for hikers, amblers, and fans of a brisk stroll in the open air. From the open expanses of the Lake District to the rugged terrain of the Scottish Highlands via Wales’s peaks, there is no shortage of places to work up a sweat, al fresco, across the UK. As of summer 2026, travelers eager to stretch their legs will be able to embark on quite the adventure, thanks to the opening of the longest managed coastal path in the world. While work on the King Charles III England Coast Path National Trail has been more than 15 years in the making, some of the final stretches of the route are currently being constructed or restored, with the aim of opening to the public ahead of sunnier times.…