Slieve Beg

{{short description|Mountain in the Mourne Mountains, Northern Ireland}}

Slieve Beg ({{respell|SLEEV|_|BEG}}; {{Irish derived place name|Sliabh Beag|little mountain}}){{Cite web |author=Paul Tempan |title=Irish Hill and Mountain Names |date=February 2012 |website=Mountaineering Ireland |url=https://www.mountaineering.ie/_files/Paul%20Tempan%20Irish%20Mountain%20Placenames%20-%20Feb%202012.pdf |archive-url=https://web.archive.org/web/20230317015601/https://www.mountaineering.ie/_files/Paul%20Tempan%20Irish%20Mountain%20Placenames%20-%20Feb%202012.pdf |archive-date=17 March 2023 |page=150}} is one of the Mourne Mountains in County Down, Northern Ireland.{{Cite web |title=Slieve Beg |website=MountainViews.ie |url=https://mountainviews.ie/summit/297/ |archive-url=https://web.archive.org/web/20230211173619/https://mountainviews.ie/summit/297/ |archive-date=11 February 2023}} It has a height of {{Convert|595.9|m}}.