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Nutrition

What to Eat on a Hike

How to space out your meals and snacks while hiking, which foods travel well in a backpack, and what to avoid.

It's best to eat small amounts frequently, choosing easy-to-digest foods such as nuts, dried fruit, or light sandwiches. Avoid very fatty foods and alcohol, which dehydrates you and affects your balance. Remember to pack out all your waste, including fruit peels, to protect the environment.

6 min read · updated September 14, 2026

On a hike, it is best to eat small amounts often, choosing foods that are easy to digest and hold up for hours in a backpack. A large meal halfway through usually leaves you feeling heavy and slows your pace in the second half.

A simple plan for a day hike

  • Breakfast one or two hours before starting: carbohydrates with some protein, without too much fat.
  • Every 60–90 minutes, a small snack: nuts, dates, dried apricots, a snack bar, or half a banana.
  • A light main meal during the long break: a sandwich, Spanish omelet, rice, or legumes in a food container.
  • An off-limits reserve: an energy bar and a handful of nuts to open only if something unexpected happens.

Foods that work well

  • Nuts and seeds: plenty of energy for their weight.
  • Dried fruit: quick sugars and easy to eat while hiking.
  • Bread with aged cheese, cured meat, or canned fish: these keep without refrigeration.
  • Dark chocolate in cool weather; it melts in summer.
  • Something salty (olives, salted nuts) to replace sodium if you sweat heavily.

What to avoid

Sauces and fresh dairy products that spoil in the heat, very fatty meals before a climb, and trying a gel or supplement for the first time on the day of a long hike. It is also wise to limit alcohol: it dehydrates you and affects balance and decision-making.

Everything you carry up must come back down, including fruit peels, shells, and wrappers. Organic waste takes a long time to break down at high elevations and disrupts wildlife.

Sources and references

General safety information only. It does not replace specific mountain training or emergency services (112 in Spain and the EU).