old stone bridge across burbage brook on hathersage moor, derbyshire

britain brook burbage carl wark fort derbyshire england hathersage higger tor hope valley peak district autumn autumnal bracken bridge cloudless countryside creek deserted fall fern footpath fortress freshwater grass gritstone habitat heath hill hillfort hillside iron age landmark military morning people october outcrop path peaceful pteridium aquilinum rock rocks sandstone sieglingia decumbens sky slope stone stream sunlight sunshine tranquil water wildflower old moor remains ancient