Building a Beach Fire Without Leaving a Trace

Check Whether Fires Are Allowed on Your Beach

There are few better ways to end a day on the coast than sitting beside a small fire while the light goes out of the sky over the water. But in Britain a beach fire is a privilege rather than a right, and the first job is always to check that it is welcome. Many councils prohibit fires and disposable barbecues on their beaches outright, particularly between spring and early autumn, and those byelaws are enforced. Land owned by conservation charities, nature reserves, Sites of Special Scientific Interest and virtually every dune system are off limits entirely.

Look at the council's website for the stretch of coast you have in mind, check the signs at the main access point, and if there is any doubt at all, ask. Rules also change with conditions: after a long dry spell, a fire danger warning can be issued at a few hours' notice, and a ban on one beach often covers the whole local authority area. If in doubt, leave the fire for another trip. A flask and a good coat are a perfectly respectable plan B on a British shore.

Pick a Spot That Can Take It

Choose bare sand or shingle, well above the high water mark and at least a few metres clear of grass, marram, seaweed banks or any other vegetation. Dunes are dry, fragile and slow to recover; a single spark can smoulder underground for hours and take a whole colony of nesting birds with it. Avoid the base of cliffs and any spot close to sea defences, where loose stones and timber are holding the coast together.

Check a tide table rather than guessing, and remember that on wide estuaries and islands the water can come in faster than you can walk. Sit upwind of your fire so the smoke stays out of your face, and keep an eye on the direction of the breeze — it has a habit of swinging round as the evening cools.

Fuel: Dead Wood, Sparingly

Use dead, dry wood collected from above the tideline, and take far less than you think you need. A fire the size of a small bucket will cook, warm and comfort; anything larger is simply a bonfire, and bonfires are what get beach fires banned.

• Do not cut or break living trees, gorse or scrub — even dead-looking branches on a dune are part of a fragile system.
• Avoid timber with nails, paint, varnish or preservative. Pallet wood and old fencing smoke acridly and leave splinters of metal in the ash.
• Skip seaweed. It burns badly, smells strongly and is habitat for sandhoppers and other small creatures.
• Leave most of what you find. Driftwood is part of the character of a beach and shelter for insects and small mammals.
• Never use petrol, lighter fluid or firelighters that leave chemical residue. Dry grass, small twigs and a little patience will do.

Keep It Small and Tended

Scrape a shallow hollow in the sand rather than building a mound, and keep the flames low and steady. A ring of stones looks charming but is rarely necessary; if you do use one, take stones only from dry sand, never from rockpools or sea defences, and put every one back where it came from before you leave.

Feed the fire a little at a time, and never leave it unattended, even for a swim. Sparks travel further than people expect, so keep the fire away from overhanging branches and out of any wind that is strong enough to carry embers along the beach. Have a bucket or two of seawater ready from the moment you light it, not when you decide to leave.

Put It Out Properly, Then Remove Every Trace

This is the part most people get wrong. Do not bury hot coals. Sand insulates superbly, and a fire buried at dusk can still be hot enough to burn a child's feet or a dog's paws the following morning. Instead, stop feeding it, let it burn down to ash, then pour water over it, stir the embers with a stick, and pour more water on. Spread the ashes out thinly and wait. Test the temperature by holding the back of your hand a good distance above the ground — closer than you would touch. Cold means cold.

Once everything is genuinely cool, scatter the fine ash thinly above the high water mark, where the next tide will disperse it, or bag it and take it home if you prefer. Charred wood ends, foil, bottle tops, broken glass and any food waste go in the bag with everything else. Nothing stays behind, not even the evidence of a good evening.

A Last Look Before You Go

Fill in the hollow you scraped, rake the sand roughly flat with your boot or a stick, and return any stones. Then walk a few paces away, turn off your torch and look back at where the fire was. The dark is unforgiving, and that last glance usually catches one blackened stub you would otherwise have missed.

If you can, walk past the same spot in the morning on your way home. When you cannot tell that anyone was ever there, you have done it properly — and the beach, and everyone who comes after you, is better off for it. A fire that leaves no trace is a fire you can enjoy again and again.