Fitness is the part most people train for, and it is rarely what stops them. Hikers who give up on a long-distance trail usually do so over something more mundane: a permit window that closed in January, a hut network booked out before they looked, a start date that drops them into an alpine section three weeks after the snow returned.
So this is not a bucket list. Each trail here is paired with the one planning problem its source page actually solves: how many days to book, which agencies' paperwork stands between you and a continuous route, whether you sleep in huts or carry a tent, what navigating alone demands when the trail vanishes for hours, and what a short loop can teach you before you commit a season of your life to something longer. Some of what follows comes from the organisations that run these trails; the rest from hikers writing up their own trips. Read them for the constraints rather than the scenery — the constraint is usually what decides whether you can walk a trail at all.
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