CHAPTER XII.

Marked change in the Vegetation -- Bridge over Chenab -- Pargwal -- Description of Chenab valley -- Asdhari -- Chatargarh -- Road turns up valley of Butna -- Vegetation of Chenab valley -- Chishot -- Snow-beds -- Camp at 10,500 feet -- Ancient moraines -- Glacier -- Camp at 11,500 feet -- Rapid ascent along glacier -- Camp on moraine, at 14,600 feet -- Change of weather -- Ascent towards pass over glacier -- Cross Umasi La -- Descent -- Immense glacier -- Encamp in Tibet, at 13,800 feet -- Open valley of Zanskar -- Padum -- Great change of climate -- and in vegetation 342