Clouds moving over the Cangshan range above Dali

Field notes / Field note

Cangshan clouds.

Nineteen marble peaks, one reliable cloud belt: the Cangshan runs its own weather department above Dali, and the Jade Cloud trail walks straight through the office.

The belt.

The Cangshan's defining feature is a cloud belt — a river of cloud that forms along the range's flank, pours over the saddles and dissolves, then reforms, for hours at a stretch. The effect gives Dali its famous light and the mountain its moods: the range will be invisible at breakfast and blazing by ten, with the belt running the whole time at 2,600 metres like a slow-motion waterfall turned upside down.

The trail.

The Jade Cloud path runs level along the range's shoulder at belt height — sixteen kilometres of stone path with the whole Erhai below and the cloud rolling past at eye level. Walk it in segments: the chairlift does the first climb, the waterfalls and the temples punctuate the middle, and the light changes every twenty minutes in a way that makes photographers forgive the crowds their own share of them.

The storms.

The range's name in the old books references its storms: the Cangshan builds cumulus by noon and drops its rain in theatrical, local, short-lived bursts. The walking craft is the mountain's own — start early, finish by the afternoon build-up, carry the shell you were going to carry anyway, and let the storms write the schedule. They are the best show on the mountain, and they are always headlining.

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