What gear should I take on a multi-day trek in New Zealand?

Along with a good rucksack, hiking boots and suitable warm and waterproof layers of clothing, sleeping bag, stove and fuel, first aid kit, torch, map and compass, and a reflective ‘space blanket’ in case of emergencies – I always take a pair of rafting sandals (to wear in the evening, and for river crossings) and a water filter. Hiking poles are invaluable. Add a reliable tent plus sleeping mat if you’re camping. You can’t buy food or supplies along the way on most New Zealand hiking routes, so you’ll need to carry enough food to last for however many days you plan to be on the trail (plus at least one day extra in case of emergencies).