I think these days Facebook^ is a good place to get the latest info.

also
The Folk Club Map shows four potentials :
Anglesey, Conwy, Ruthin, & two similarly named clubs, both meet on Fridays! Rhyl Folk & Acoustic(Llanddulas) and Rhyl Folk Club(Rhyl).

(open in a browser)
Folk Club Map

+
Folk Music Map
includes festivals

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