In reply to Northern Climber:
Irishman's Wall might be a good place to start for a crag on the north side of the moor. There are plenty of other tors on the north of the moor, but these are very scattered and tend to have just one or two routes each, which rarely get done and so are often green. Places like Great Links Tor, Kes Tor etc; they can hardly be said to be premier crags. If you take the Moretonhamstead/Bovey Road south off of the A30, this should take you through to Haytor area crags in a jiffy. Places like Haytor, Hound Tor, Saddle Tor and eventually Luckey Tor & Bench Tor. These are the southeastern tors. Alternatively, drive down towards and past Tavistock for places like Dewerstone and Sheepstor. There's bouldering all over the moor if that's your thing.
More adventurous climbing on the culm coast (to your north west probably) than you can shake a stick at. Places like Blackchurch, Cornakey, Oldwall's Point, Vicarage Cliff, Screda Point, Sharpnose etc. All absolute class.
Post edited at 09:14