Dzüko Valley has no road, no gate and no ticket booth — the only way in is a steep half-day climb on foot. That is much of why its slopes have stayed unspoiled. It lies at around 2,450 metres on the border between Nagaland and Manipur, in India's far northeast. What gives the valley its startling look is dwarf bamboo. A single low species sheets the entire floor so evenly that after the monsoon the rolling hills turn a smooth unbroken green — more like a lawn stretched over the earth than any forest. There are no trees to block the view in any direction. A cold stream threads the middle, and it is that icy water, not the flowers, that gives the place its name: Dzüko means roughly cold water in the local Naga tongues.
The valley's fame belongs to the monsoon. From June into July the green is dotted with the pink Dzüko lily, a mountain flower that grows in a handful of places in these hills and nowhere else. From the high rim, blue Naga ranges fold away ridge behind ridge to the horizon. Winter turns the same slopes stiff with frost and freezes a tucked-away waterfall solid. Most people camp a night, brewing tea beside the plain base-camp huts; there is no village or electric light for miles, so the sky is exceptionally dark. The valley holds no national-park or sanctuary status. Its fragility showed in the winter of 2020-21, when a wildfire burned for about two weeks and destroyed some 200 acres before both states could put it out.