The circle was erected at Llanrwst in 1950 for the 1951 National Eisteddfod. It consists of a circle of 12 stones with 2 outliers, using unhewn natural stones from near Llyn Ogwyn.

Thought to have been reused for the 1989 National Eisteddfod.

Reference: information from research into Gorsedd Circles carried out by Michael Freeman between 2005-2024.