Church of St John the Baptist
The local railway station, on the Cambrian Line, closed as part of the Beeching closures in the 1960s. An ongoing campaign started in August 2009 for its reopening, with the Welsh Assembly agreeing to do a business study as part of the Cambrian Rail Study. At present, the adjacent stations on the line are at Caersws and Machynlleth.
Carno has the remains of a Roman Fort or mound (Gaer Noddfa), comprising a rectangular area 450ft by 270ft located on the bank of the River Carno adjoining the churchyard. Local legend also makes reference to a supposed battle between two sons of Hywel Dda (Prince of Wales 942-950) in the area. One of the valleys, Cwm Nant y Penglog, is named after a stream which supposedly leads to the site of the battle as Cwm Nant y Penglog means 'Valley of the stream of the skull'.
- The designer & entrepreneur Laura Ashley (1925–1985) is buried in the churchyard at Carno.
- Carno was home to the family of Chicago Outfit gangster Morris Llewellyn Humphreys, who was born in the village in 1899.
- Carno is also reputably the village closest to the geographical centre of Wales.
- "Campaign to reopen station gets a boost". Shropshire Star. August 13, 2009. http://www.shropshirestar.com/2009/08/13/campaign-to-reopen-station-gets-a-boost/. Retrieved 17 Nov 2009.
- "Laura Ashley shuts 'home' factory". BBC. October 25, 2004. http://news.bbc.co.uk/1/hi/wales/3951377.stm. Retrieved February 2008.
- Roman Britain (1964)
- Gaer Noddfa, Carno
- Laura Ashley burial place
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