My name is Sean Glaccum and I have travelled to the Himalayas almost every fall since 1997 in search of rivers that have never been kayaked or rafted. Past Himalayan first descents include:  First kayak descents off Mt. Kanchenjunga (3rd highest peak), Mt. Cho Oyu (6th highest peak), Mt. Dhaulagiri (7th highest peak) and Mt. …