 In 1869, John Muir started his wanderings in the Sierra Nevada range, and in 1871, King was the first to climb Mount Langley, mistakenly believing he had summited Mount Whitney, the highest peak in the range.In 1873, Mount Whitney was climbed for the first time by 3 men from Lone Pine, CA on a fishing trip.From 1892–7 Theodore Solomons made the first attempt to map a route along the crest of the Sierra.