Erringden Grange, on Kilnshaw Lane above Hebden Bridge, is an early 19th century listed farmhouse and barn. (Erringden thought to be of Norse origin “The valley of the high ridge”). It also has numerous adjacent fields with rectangular field patterns, as well as an old Hawthorn hedge now in need of some care and new saplings for continuity.
But what makes the fields unique in the Calder Valley are the small diamond shaped enclosures at all the wall intersections. 
There are (or were) about 50 of these enclosures shown on the OS map of 1849 and each contains planted trees of mainly Beech and Sycamore. These trees are possibly over 180 years old.