K2: Siren of the Himalayas is a 2012 American documentary film directed by Dave Ohlson. The film follows a group of climbers during their 2009 attempt to climb K2, chronicling the climbers' attempt to surmount the peak on the 100th anniversary of the Duke of Abruzzi's landmark K2 expedition in 1909. The film also delves into the history and geography of the Karakoram mountain region.