Packing Lists: Complete Guide

A day-hike packing list covers water, food, navigation, sun protection, one extra layer, a first-aid kit, and a light repair kit, all carried in a daypack under 25 liters. Nothing on the list needs an overnight rating; the job is covering a few unplanned hours, not an unplanned night.

The core items, in the order most hikers pack them:

• Water: 1.5–3 liters, or a reservoir plus a treatment option on routes without a reliable water source
• Food: trail snacks, plus one packed meal for hikes running past four hours
• Navigation: a paper map and compass, or a phone with an offline map downloaded before the trailhead
• Sun protection: sunglasses, sunscreen, and a brimmed hat
• Extra layer: a packable rain shell or light insulated jacket, even on a clear-forecast summer day
• First-aid kit: blister care, gauze, tape, pain reliever, and any personal medication
• Repair kit: a small knife or multi-tool and a few feet of repair tape
• Illumination: a compact headlamp, even on a hike planned to finish well before dark

Most of this list fits comfortably in a daypack under 25 liters; picking the right size for the load is covered in choosing capacity.

An overnight packing list adds a shelter, a sleep system, a cook setup, and a full day's food to the day-hike core, which typically pushes pack capacity into the 35–55 liter range depending on season and food volume. Everything roughly doubles except navigation and first aid, which stay close to the day-hike list.

Loading order matters as much as the list itself: heavy items ride close to the back and centered between the shoulder blades, a detail covered in packing load order. A well-fitted hipbelt carries most of that added weight, which is why torso and hip measurements matter more on an overnight pack than on a daypack; see measuring your torso and hips for the method.

The ten essentials are ten gear categories, not ten specific items, built to cover an unplanned night or a minor emergency: navigation, sun protection, insulation, illumination, first-aid supplies, fire, repair kit and tools, nutrition, hydration, and emergency shelter. The Mountaineers popularized this systems-based version, and it now anchors most US trail organizations' safety guidance.

Navigation — a map and compass, or a GPS device or phone app with an offline map downloaded before the trailhead

Sun protection — sunglasses, sunscreen, and a hat, carried even on overcast days

Insulation — one clothing layer beyond what the forecast calls for

Illumination — a headlamp or flashlight, plus spare batteries

First-aid supplies — blister care, gauze, tape, and any personal medication

Fire — a lighter, matches, or fire starter, kept dry

Repair kit and tools — a knife or multi-tool, repair tape, and a length of cordage

Nutrition — food beyond what the planned trip requires

Hydration — extra water plus a treatment method for refilling on the trail

Emergency shelter — a space blanket, bivy sack, or small tarp for an unplanned night out

These ten categories apply to a two-hour day hike and a two-week trip alike. The item inside each category scales with trip length and season; the category itself never gets skipped.

Trimming a packing list means weighing every item, cutting genuine duplicates, and checking the running total against a base-weight target, rather than removing entire categories. The ten essentials stay in the pack; the cut comes from redundant clothing, oversized food margins, and heavy gear that has a lighter equivalent.

A simple trimming process:

Lay every item out on the floor before it goes back in the pack

Weigh each item on a kitchen scale and write the number next to it

Separate consumables and worn clothing from true base weight

Cut duplicate tools — one knife, one light source per person, one set of repair supplies

Question anything carried "just in case" that isn't part of the ten essentials

Re-check the trimmed list against pack weight and base weight targets for the trip length

This process pairs naturally with the sub-hub's other guides: seasonal-guides for swapping insulation and shelter by month, and trip-length-capacity for matching pack volume to nights out before buying a bigger bag than the trip needs.