Why your stove choice matters on British hills

British hills are rarely kind to cooking systems. Above the tree line, wind funnels through cols and across summits, rain arrives sideways, and temperatures drop fast. A stove that simmers beautifully in a sheltered campsite can struggle to boil water on a exposed ridge. Weight matters too, especially on long days or multi-day routes where every gram counts. The three main options — gas, alcohol and solid fuel — each have strengths and weaknesses. Understanding them helps you choose the right system for the conditions you actually expect, not the ones you hope for.

Gas canister stoves: the convenient all-rounder

Gas is the default choice for most hill walkers, and for good reason. A typical upright burner weighs 70–100g, while a remote canister stove with a hose adds another 100g or so. A 220g canister of butane-isobutane mix adds roughly 370g when full. Boil times are fast: 500ml of water in 2–4 minutes in calm conditions. Control is excellent — you can simmer, turn off, and relight easily.

Wind is the main weakness. Without a windscreen, efficiency plummets and the flame can blow out. Use a foil windscreen, but never enclose the canister completely — overheating can cause a dangerous pressure rise. Cold is the other issue. Below about 5°C, butane struggles to vaporise. Isobutane performs better, and winter blends are available. For real cold, use a remote stove with an inverted canister, or warm the canister inside your jacket before lighting. Reliability is high, but you cannot easily judge remaining fuel. Weigh the canister or shake it to estimate. Above the tree line, gas rewards a sheltered pitch and a good windscreen.

Alcohol stoves: simple, silent and slow

Alcohol stoves burn meths (methylated spirits). A simple burner weighs as little as 20–50g, and a full cooking set with windshield might be 200–300g. Fuel is the variable: 1 litre of meths weighs about 790g, but for a weekend you might carry only 200–300ml. There are no pressurised parts, no canister to fail, and no priming required on the simplest designs — though some need a preheat.

Boil times are slow: 6–10 minutes for 500ml in calm air, often double that in wind. Wind is a serious problem. You need a full enclosure with a gap at the base for air, and you must shield the burner from gusts. Simmering is difficult; most alcohol stoves are either on or off. They are quiet, which many walkers love, and reliable if you keep fuel dry and carry a lighter. Above the tree line, they demand patience and a very good windscreen. They are also poor for melting snow, as the heat output is low.

Solid fuel stoves: bombproof but basic

Solid fuel means hexamine or similar tablets burned in a simple folding metal tray. The stove itself is tiny — 30–60g — and there are no liquids to spill or pressurise. A tablet burns for 5–8 minutes, and boiling 500ml typically takes 2–3 tablets and 10–15 minutes. Fuel weight adds up quickly: for a week you might carry more than an equivalent gas canister.

Reliability is excellent. Cold does not stop them, and there is nothing to prime or pump. Wind, however, blows them out or wastes heat, so a windscreen is essential. They leave a sticky residue on pots and have a distinctive smell that can taint food if you cook directly over the flame. You cannot simmer or turn them off once lit. They are best as an emergency backup, for bothy trips, or for short outings where simplicity beats efficiency. Above the tree line, shelter them well and accept the limitations.

Wind and cold: getting the best from any stove

Wind is the biggest enemy above the tree line. It steals heat, blows out flames, and makes priming dangerous. These practical habits make any system work better:

• Always carry a windscreen. Aluminium foil folded to size works for gas if you leave a gap around the canister. For alcohol and solid fuel, a full enclosure with a base gap is ideal.
• Pitch low and sheltered. Use rocks, a rucksack, or a small snow trench. Never cook inside a closed tent — carbon monoxide kills.
• Warm your fuel. Sleep with gas canisters and meths bottles. Keep solid fuel tablets in an inside pocket.
• Use a lid and a wide pot. A lid saves 10–20% fuel. A wider pot catches more flame. Heat exchanger pots help gas but add weight.
• Prime carefully. If your alcohol stove needs priming, do it out of the wind and never add fuel to a hot burner.
• Plan for double boil times. In strong wind, carry 20–30% more fuel than a calm day would need.

Choosing for your trip

No single stove wins everywhere. For a summer day walk or a one-night bothy trip, gas is hard to beat: fast, controllable and clean. For long-distance routes where you only boil water, alcohol can be lighter if you carry small fuel amounts and have patience. For winter or emergency use, solid fuel is bombproof but heavy per boil and messy. Many hill walkers carry a small gas stove as their main system and a few hexamine tablets as backup. Think about what you actually cook. If it is hot drinks and rehydrated meals, a simple gas or alcohol setup is enough. If you melt snow or cook proper meals, a remote gas canister with a windscreen is more practical. Above all, practise with your stove before you rely on it on a windy ridge. Boil water in your garden on a blustery day, learn its quirks, and you will be warm and fed when it matters.