But don't take our word for it, the area is summarised nicely by TimeOut.com:

 

"wander north and you'll discover a wealth of attractions woven amongst lush hills and valleys. Stretching from Anglesey to Gwynedd, North Wales is a tapestry of glittering coastlines, vibrant fields and plunging mines—a vista developed from past industries and Celtic heritage. Throw in some local foodie delights (Purple Moose beer, anyone?), quaint traditional transport and thrilling extreme sports and you've got a postcard-perfect destination."