"Suffer Little Children" is about murders that took place in what National Park?
Suffer Little Children:  The song is about the Moors murders that took place on Saddleworth Moor, which overlooks Manchester, between 1963 and 1965. Saddleworth Moor:  The moorland, reaching more than 1312 ft above sea level, is in the Dark Peak area of the Peak District National Park.
Peak District National Park