Güéjar Sierra is a village and municipality located in the province of Granada, Spain. According to the INE, it had a population of 2,988 at the start of 2010. The village is situated in the north-western part of the Sierra Nevada mountain range, at an altitude of 1,088 metres. The municipality borders Pinos Genil, Dúdar, Quéntar, La Peza, Lugros, Jérez del Marquesado, Trevélez, Capileira and Monachil. Its boundary with Trevélez and Capileira runs along the highest ridge of the Sierra Nevada, and over Mulhacén, making these the three highest municipalities in peninsular Spain.