What to bring on a hike: 11 essentials for any trail

Head out prepared. This guide breaks down the 11 hiking essentials—navigation (map/app + power), hydration & treatment, calories, insulation and rain shell, first-aid, illumination, fire/repair kit, emergency shelter, sun/bug protection, and smart comms (whistle/phone/PLB)—with tips to adapt for season and terrain anywhere in the world.