Great Langdale is a valley in the Lake District National Park in North West England, the epithet "Great" distinguishing it from the neighbouring valley of Little Langdale. Langdale is also the name of a valley in the Howgill Fells, elsewhere in Cumbria.
It is a popular location for hikers, climbers, fell-runners and other outdoor enthusiasts who are attracted by the many fells ringing the head of the valley. Among the best-known features of Great Langdale are the Langdale Pikes, a group of peaks on the northern side of the dale. England's highest mountain, Scafell Pike, can be climbed by a route from Langdale. Langdale has views of, in particular, Dungeon Ghyll Force waterfall, Harrison Stickle and Pike of Stickle.
Great Langdale was an important site during the Neolithic period for producing stone axes and, later, was also one of the centres of the Lakeland slate industry.