Why Paper Still Earns Its Place on the Cliff

Coast paths are among the worst places to trust a phone. Signal drops the moment you step below a headland, and the steep-sided coves of Devon, Cornwall, Pembrokeshire and the Scottish west coast are full of places where the screen shows nothing but a spinning circle. Cold wind drains a battery far faster than a warm room does, and a wet screen met by wet fingers is a poor substitute for ink on paper.

A paper map has none of those problems. It needs no charge, it shows the whole route in one glance rather than a scrolling slice, and it never quietly reroutes you down a lane that ends at a locked gate. Most importantly, it keeps working while you work out what you are actually looking at: the shape of the land, where the cliffs fall away, and how far it is to the next harbour wall.

Choosing the Right Scale Before You Leave

For a full day's coastal walking, two scales do most of the work. A 1:50,000 sheet is ideal for planning a linear route between two harbours and for judging the day's distance. A 1:25,000 sheet is what you want in your hand on the cliff itself, where it will show field boundaries, gates, stiles, footpath junctions and small buildings that the smaller scale simply cannot fit in.

• Check the coverage carefully — a route that follows a bay and then turns inland can run off the edge of a single sheet.
• Note the edition date and the magnetic variation printed in the margin. An old sheet may show a path that has since been diverted around a landslip.
• If your walk crosses an estuary or a tidal causeway, carry the tide times separately. No map will tell you when the water will be at your knees.

Folding, Storing and Handling It Well

A map that fights you in a force five is useless. Fold it so the panel covering your next kilometre sits on the outside, with the rest of the sheet tucked away. Concertina folds, opened and closed along the maker's creases, keep the printed surface intact far longer than folds made at random.

• Carry it in a clear map case or a dry bag, with a lanyard around your neck or clipped to a shoulder strap. Laminated paper is tougher, but the seams still let water in.
• Mark your route in soft pencil, never pen. Pencil lifts off with an eraser and does not bleed when the sheet gets damp.
• In strong wind, hold the map flat against your thigh and turn your body to shield it, rather than gripping the edges and watching the middle lift.

Orienting the Map Without Fuss

An oriented map is one whose features line up with the land in front of you. The quickest method needs no instrument at all: find a distinctive shape — a headland, a breakwater, a church tower half a mile inland — and rotate the sheet until that shape sits in the same direction on the paper as it does on the ground.

With a compass, set the map so grid north on the sheet points the same way as the needle, then correct for magnetic variation using the figure printed in the margin. That correction matters more than many walkers assume, and it shifts by a small amount year on year.

Once the map is oriented, practise thumbing: keep your thumb on your current position and walk it along the line as you go. You will always know where you are, and you will notice at once if the path beneath your boots is not the one the map shows.

Reading Contours, Cliffs and Coastal Detail

Contours are the heart of it. On a 1:25,000 sheet the interval is usually ten metres, with every fifth line drawn thicker and numbered. Lines close together mean steep ground; lines far apart mean gentler slopes. On a coast path, every contour crossing is a climb and a descent you have to walk, so count them before you commit to a headland section.

• Cliff symbols and coastal hatching show where the land drops to the sea, and how abruptly.
• Spot heights mark the top of a climb — useful when deciding between the high path and the low one.
• Blue features show streams, marshy ground and the shoreline. A stream crossing a path usually means a footbridge or a ford, and the map will tell you which.

Harbour Heritage and Sea Angling Marks

Harbour maps repay slow reading. Old breakwaters, slipways, lighthouses, beacons and pier ends are all marked, and so are the names that carry the history of a place: lime kilns, fish cellars, boatyards, and the neat geometry of a wall built to shelter a fleet. Walking a harbour town with the map in hand turns a pleasant stroll into a lesson in how the coast was worked.

For anglers, the same sheet is a plotting tool. Fix a mark by lining up two features — the end of a groyne in transit with a church tower, say — and write it in pencil in the margin. Note gullies, reef edges and sandbanks, and the depth figures printed over the sea area. Paper will not give you the tide or the local byelaws, so check both before you bait up, but it will give you a mark you can return to next spring.