K2: Siren of the Himalayas K2: Siren of the Himalayas 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 100-year 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. The film was shot in Pakistan in the summer of 2009. Director Dave Ohlson made the trek to climb K2 with elite alpinists Gerlinde Kaltenbrunner (2012 National Geographic Explorer of
K2 around 300 successful summits and 77 fatalities; about one person dies on the mountain for every four who reach the summit. It is more difficult and hazardous to reach the peak of K2 from the Chinese side, so it is usually climbed from the Pakistani side. K2 has never been climbed during winter, unlike Annapurna, the mountain with the highest fatality-to-summit rate (191 summits and 61 fatalities), or the other eight-thousanders. Ascents have almost always been made in July and August, the warmest times of year; K2's more northern location makes it more susceptible to inclement and colder weather. The