page_title: Cnoc na Péiste
section_title: Geography
hierarchical_section_title: Cnoc na Péiste / Geography
caption_attribution_description: English: Summit of The Big Gun and Cnoc na Peiste (Knocknapeasta) taken from Cruach Mhor
context_page_description: Cnoc na Péiste, anglicised Knocknapeasta, at 988 metres, is the fourth-highest peak in Ireland, on the Arderin and Vandeleur-Lynam lists. Cnoc na Péiste is part of the MacGillycuddy's Reeks range in County Kerry. It is one of only two 3,000 ft peaks in the Reeks with a prominence above the Marilyn threshold of 150 metres, and is the highest summit of the Eastern Reeks. In 1943, a USAAF plane crashed into the mountain, killing all five crew, and parts of the wreckage can still be seen in Lough Cummeenapeasta.
context_section_description: Cnoc na Péiste is the highest point in the Eastern Reeks section of the MacGillycuddy's Reeks range, which consists of a long narrow ridge that takes in several summits before ending at Cruach Mhór 932 metres (3,058 ft) and descending into the Gap of Dunloe, to the Head of the Gap, only to rise up again towards the Purple Mountain Group. 
  To the southwest of Cnoc na Péiste is the peak of Maolán Buí at 973 metres (3,192 ft) and a generally flat grassy ridge to the col at the Devil's Ladder.  To the northeast is the narrow sharp rocky arête that joins with The Big Gun 939 metres (3,081 ft), and Cruach Mhór 932 metres (3,058 ft), which marks the end of the eastern ridge of the Reeks.
  Between Cnoc na Péiste and The Big Gun are two small lakes—Loch Coimín Piast (anglicised Lough Cummeenapeasta) and Lough Googh — one on either side of the ridge. A stream called Glasheencummeennapeasta flows northwards from Lough Cummeenapeasta into Hag's Glen, to join the Gaddagh River. On the other side of the ridge, a stream flows southwards from Lough Googh into the Derrycarna River.
  Because of its positioning, Cnoc na Péiste is usually climbed as part of a horseshoe of the eastern section of the Reeks, starting from the Hag's Glen, and taking in Maolan Bui and The Big Gun, or as part of the even longer MacGillycuddy's Reeks Ridge Walk.
  It is the 231st-highest mountain in Britain and Ireland on the Simm classification. Cnoc na Péiste is regarded by the Scottish Mountaineering Club ("SMC") as one of 34 Furths, which is a mountain above 3,000 ft (914 m) in elevation, and meets the other SMC criteria for a Munro (e.g. "sufficient separation"), but which is outside of (or furth) Scotland; which is why Knocknapeasta is sometimes referred to as one of the 13 Irish Munros.    
  Knocknapeasta's prominence qualifies it to meet the British Isles Marilyn classification, being the only other 3,000 foot Reek alongside Carrauntoohil to meet the 150 metre Marilyn prominence threshold.  Cnoc na Péiste also exceeds the P600 prominence threshold of 600 metres (1,969 ft), which classes it as a "Major" mountain.  Cnoc na Péiste also meets the Arderin, Simm and Hewitt classifications.  Knocknapeasta ranks as the second-highest mountain in Ireland on the MountainViews Online Database, 100 Highest Irish Mountains, where the prominence threshold is over 100 metres.
caption: Looking westwards at the two summits of The Big Gun (left) and Cnoc na Peiste (right)
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