 The Burlington quarry at Elterwater has been worked for over 300 years and is still in production today, turning out over 800 tonnes of slate annually.Many of the quarries have closed over the years and the crags are now used by rock climbers.Lingmoor Fell can be climbed either from Elterwater in Great Langdale or from the Blea Tarn car park in Little Langdale (grid reference ).