Gran Sasso d'Italia is a massif in the Apennine Mountains of Italy. Its highest peak, Corno Grande 2,912 metres, is the highest mountain in the Apennines, and the second-highest mountain in Italy outside the Alps. From Wikipedia
The bodies of Luca Perazzini, 42, and Cristian Gualdi, 48, were discovered after a five-day search complicated by extreme weather conditions.