It's all about the letters Challenge Cache

All caches found on 6th September 2011.

	Log	Cache name
	View	Church Micro 1271...Darlington, St Andrews
	View	LQ:NORTHUMBERLAND - Barrasford Park
	View	Angels View (Tyne & Wear)
	View	Church Micro 1279 St Helen's, Kelloe
	View	Kielder Skyspace (Northumberland)
	View	Spirit of Jarrow (Tyne & Wear)

And that spells out CLACKS for a modest score of 14.