Resupply Without Waste on a Long-Distance Backpacking Trip

A long-distance hike can turn food planning into a moving target. Your appetite changes, mileage varies, weather affects fuel use, and a resupply box that looked sensible at home can feel absurd after several days on trail.

The goal isn’t to predict every meal perfectly. It’s to build a flexible system that gives you enough food, keeps pack weight reasonable, and leaves you with as little unwanted packaging and food as possible.

Start with your actual calorie needs

A useful starting point is to estimate calories per day, then adjust from real trail data. Many experienced backpackers land somewhere between 3,000 and 5,000 calories per day during sustained hiking, but that range is only a planning guide. Body size, pace, temperature, elevation gain, and the length of your days all matter.

Rather than choosing a number because it sounds appropriate, use a three-step estimate:

Start with your normal daily intake.
Add an allowance for long, demanding activity.
Compare the result with how much you’ve actually been eating and carrying on recent trips.

Your first few days may not match the rest of the hike. Some hikers eat less while settling into a routine, then become noticeably hungrier after a week or two. Cold conditions can also increase your appetite, while heat may make rich or heavy food less appealing.

For planning purposes, I find it more useful to calculate food by day and by resupply segment than to chase an exact calorie total. If a five-day section requires roughly 18,000 calories, for example, divide that food among meals and snacks in a way you’ll realistically eat—not simply according to a spreadsheet.

Build in a modest reserve for delays. A full extra day of food may be appropriate for a remote section with uncertain transport or weather, but it can be unnecessary weight where several reliable options exist. The right buffer depends on the consequences of being late, not on a universal rule.

Check the section before you pack: Confirm the distance, expected pace, water availability, exit options, and any closures or access restrictions for the next leg. Those details determine whether your reserve is sensible or excessive.

Track calories without making food miserable

Calorie density is useful, but it shouldn’t be the only measure. Oils, nut butter, nuts, chocolate, and some bars provide many calories for their weight. They can reduce pack weight, but an entire resupply built around dense, sweet or fatty foods may become unappealing quickly.

Aim for a mix of:

Fast snacks: bars, dried fruit, sweets, crackers, or similar foods you can eat while walking.
Steady fuel: tortillas, nut butter, trail mix, cheese, jerky, or other foods that carry you between meals.
A proper evening meal: something warm and savoury if that helps you recover and look forward to camp.
Comfort food: one or two items chosen because you enjoy them, not because they win a calorie-per-gram contest.

Record the calories and weight of each food before packing. Divide total calories by total food weight to get a rough calorie-density figure. This can help compare options, but don’t let a high number persuade you to carry food you won’t eat.

Taste fatigue is a real planning problem. A food that works for two evenings may become difficult on the sixth. Vary texture, flavour, and temperature where possible. If every meal is sweet, include savoury options. If your main meals are soft, add something crisp.

Consider how food behaves in the conditions you’ll encounter. Chocolate can become messy in heat, tortillas can become brittle in cold, and some bars turn hard when frozen. Packaging should protect the food without becoming a collection of oversized wrappers.

Plan resupply segments around your pace

A resupply plan should begin with your expected hiking pace, not with a fixed number of calendar days. Estimate how long each section will take, then add time for rest days, poor weather, route-finding, injury, and transport delays where appropriate.

For each segment, note:

starting food weight and calories;
planned daily intake;
number of hiking days;
reserve days or emergency food;
reliable water and cooking opportunities;
the next place where food can be bought or collected;
what can go wrong if you arrive late.

Town stops often take longer than expected. A short food stop can become a laundry day, a medical appointment, a gear repair, or a weather delay. That isn’t necessarily wasteful, but it changes how much food you need to carry out of town.

When a stop is close to the trail, buying food locally may be simpler than mailing a box. A store gives you the option to adjust quantities based on what you’ve already eaten. A mailed box can be useful where local selection is limited, prices are high, or dietary requirements make improvising difficult.

The most reliable strategy is often a hybrid: mail only the items that are hard to replace, then buy fresh or ordinary food locally. This reduces the chance of sending an entire box of food you no longer want.

Make mailed boxes easier to use

Pack each box by hiking day or meal period rather than placing loose food into a carton. You don’t need a separate bag for every snack, but simple groupings make it easier to see what you have and what you can leave behind.

A practical box might contain:

a clearly marked reserve portion;
dinners grouped by night;
snacks grouped by type;
breakfast items together;
a short packing list on top;
a list of foods that can be left behind if the box is too generous.

Write the destination, your expected arrival window, and any required pickup information where you can find it quickly. Confirm the current policies, hours, identification requirements, holding periods, and fees for the specific post office, hostel, outfitter, or other pickup location. These details vary by place and can change.

Avoid sending food that depends on precise timing unless you’ve confirmed how it will be stored. Heat-sensitive items, leaking containers, and foods with short shelf lives can create problems before you reach the box.

Keep a record of what each box contains. A photograph of the open box can be surprisingly useful when you’re tired, hungry, and trying to decide whether to carry everything onward.

Reduce waste before it reaches the trail

The cleanest wrapper is the one you never bring. Before packing, remove unnecessary cardboard, duplicate pouches, and bulky promotional packaging. Keep cooking instructions, allergen information, and preparation details when you may need them, but don’t automatically carry every layer from the supermarket.

Repackage carefully. Use durable, labelled bags or containers that close securely and can tolerate rough handling. Don’t combine foods if doing so will create a mess, shorten shelf life, or make it impossible to identify ingredients.

Separate food weight from packaging weight when planning. A few grams per item can become a noticeable amount over several hundred kilometres. At the same time, don’t remove packaging that protects food from moisture, punctures, or contamination. A damaged meal is both waste and lost calories.

Plan what happens to packaging at each stop. If a town has appropriate disposal or recycling, use it there rather than carrying empty packaging for days. Recycling rules vary widely, and flexible plastic packaging often isn’t accepted in household recycling even when it looks recyclable.

Avoid leaving unwanted food behind

Food left at a trailhead, campsite, privy, or resupply point can attract wildlife, create litter, and shift the burden onto volunteers or local communities. “Someone will want this” isn't a disposal plan.

If you have excess food, try these options in order:

Recalculate the next section and carry only what you’re likely to use.
Eat suitable surplus during a town stay if doing so won’t cause discomfort.
Offer unopened, labelled food directly to a willing person or an appropriate local organisation.
Take unwanted food to a designated disposal or donation point.
Carry it onward when no responsible alternative exists.

Don’t leave food in a public hiker box unless the location clearly provides one and the item is sealed, labelled, and appropriate for that system. Don’t abandon opened food, homemade meals without ingredient information, spoiled food, or anything that could create an allergy risk.

If a box is sent to a remote location, plan the return trip for packaging and unused supplies. Some facilities won’t accept rubbish, recycling, or unclaimed items, and some destinations have rules about what may be stored or shipped.

Adjust the plan as the hike unfolds

Your resupply plan is a starting point, not a contract. At each stop, review what you actually consumed. Did you finish your breakfasts? Were afternoon snacks enough? Did you carry several dinners past the point where you wanted them?

Use those answers to change the next box. Increase foods you consistently run short of and reduce foods you repeatedly avoid. Keep a small reserve for delays, but don’t let fear turn every segment into an overloaded food carry.

A good resupply system becomes more accurate with every section. It also becomes less wasteful because your decisions are based on your appetite, pace, and preferences rather than an idealised menu created months earlier.

The practical next step is to make a segment-by-segment table, weigh every item, and mark which foods are essential, flexible, or optional. Recheck the route and pickup details before sending anything, then leave yourself enough flexibility to change the plan when the trail gives you better information.