In reply to UKC Articles: Several mistakes in this article:
"Grendel" not "Gwendel"
Several routes given arbitrary grades - Thin Wall Special, Anvil Chorus, etc.
It's worth mentioning that the area from Zig-Zig leftwards can be very damp until late in the day, even during dry weather.
Parts of the Great Zawn get plenty of sun, e.g. the headwall (Omen etc).
Gear can be bought in Helston (Outback Trading?) or limited supplies of chalk etc at Trevaylor campsite.
The Gurnards Head is hardly a climbers' pub any more.