Oliver Radcliffe
A landscape that remembers
Most of us walk through the British countryside seeing fields as scenery: green shapes divided by hedges, walls and fences. Look a little closer and those divisions start to speak. Every boundary was put there by someone, for a reason, and often at a date you can narrow down to within a century or so. The soil, the shapes of the fields, the species growing in a hedge and the way a wall is built all carry information. You do not need a degree in archaeology, just a pair of boots, a map and a willingness to look at the ground rather than the view.
Ridge and furrow: the ghost of medieval ploughing
Walk across permanent pasture on heavy clay and you may notice the ground rising and falling in long, regular waves, each ridge perhaps five to eleven yards apart. This is ridge and furrow, the fossilised remains of medieval and early modern ploughing with a team of oxen. The plough turned the soil inward on each pass, building a raised strip with a drainage furrow either side, and the pattern repeated season after season until the ground held its shape.
Two details are worth checking. First, look at the ends of the ridges. On a slope, the plough team swung round in a curve, producing the characteristic reversed-S shape. Second, count the curves. On a headland, where the team turned repeatedly before entering the strip, the ridges end in a broad arc rather than meeting the boundary at right angles.
Why does it survive? Because the field was never ploughed again. Ridge and furrow is generally found where land went into permanent pasture before about 1700. If you can see it, you are looking at ground that has not been disturbed for three centuries or more. Old ridge and furrow also often carries flower-rich grassland, since it escaped the fertiliser and reseeding of later centuries.
Hedgerows: dating a boundary by its plants
Hedges are not all the same age, and the plants tell you which is which. The rough rule of thumb, known as Hooper's rule, is that the number of woody species in a thirty-yard stretch, multiplied by about a hundred, gives a very approximate age in years. It is unreliable on poor soils and in the west, but it is a useful starting point: a hedge of three species is likely to be a few centuries old, while one of a single species is probably less than two hundred years old.
Structure matters just as much. A laid hedge, where stems have been partly cut and bent over to weave a living barrier, needs management every ten to fifteen years; left alone, it grows into a line of trees. Look for the stools, the thick multi-stemmed bases where generations of stems have been cut. And look at the shape on a map: parish boundaries often follow a hedge that is thicker, taller and more species-rich than its neighbours, because it is older and has been left as a marker. A boundary that wiggles and doubles back is usually older than one running dead straight.
Dry stone walls: geology written in stone
Walls are as regional as accents. Cotswold walls are built of oolitic limestone, warm and honey-coloured. Yorkshire Dales walls use limestone or gritstone, often with a course of through stones running the full width to bind the two faces together. In Cornwall you will find granite and slate; in the Peak District, millstone grit. The rock underfoot decides the wall on top, and the way it splits decides the style of building.
Look for the working details. Coping stones stand upright along the top to shed water and stop sheep rubbing the wall down. Sheep creeps are small square gaps built in for sheep to pass through, with a stone or slate dropped back in afterwards. Smout holes let water through on wet ground, and stiles are built into the wall rather than the gateway. A wall with a tidy batter, tapering slightly inward, is a well-built one; a bulging face has lost its hearting and will not last another winter without repair.
Banks, ditches and other clues
Not every boundary is made of hedge or stone. On wet ground, a ditch with a bank thrown up alongside it is often an old boundary, sometimes a woodbank enclosing coppiced woodland. Where a hedge runs along a bank, the bank is generally older than the hedge. Lynchets — the terraced edges of long-cultivated slopes — show where ploughing moved soil downhill over centuries. Holloways, sunken lanes worn down by feet, carts and livestock, cut deep enough that their sides stand above your head, tell you how long a route has been used.
Going out to look
A few practical habits will sharpen your reading of the landscape:
- Go in winter or early spring. Low sunlight across bare ground reveals earthworks that summer grass hides completely.
- Take a large-scale map. Field shapes, parish boundaries and footpaths make far more sense when you can see the whole pattern at once.
- Check the date on the map's first edition, if you can find it. Straight-sided, geometrically arranged fields date from enclosure, roughly 1750 to 1850, and their hedges are often single-species hawthorn.
- Look for the odd ones out: the veteran oak in the middle of a field, the gate that opens onto nothing, the scatter of stones where a wall once stood.
- Stay on public rights of way, leave gates as you find them, and never climb a wall to get a better view. A wall damaged at the top loses its weatherproofing and starts to fail.
Once you start, it is hard to stop. A field becomes a document, and every hedge, bank and ridge is a sentence in it, written by people who worked the land long before you arrived.
