Take care with guidebook description. Varies between the three I've checked (CC-82, CC-2002, and Panton's latest.) along with the grade. The newest Meirionnydd guide puts it at E3.

g1m147 24/Jul/11 AltLd
with Mick.
Hidden 19/Jul/85 Lead
High E3
Mid E3
Low E3
High E2
Mid E2
Low E2
High E1
Mid E1
Low E1
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High 6a
Mid 6a
Low 6a
High 5c
Mid 5c
Low 5c
High 5b
Mid 5b
Low 5b
Votes cast 1
Votes cast 1