austere bare bleak canada cliff cold dangerous difficult environment extreme face forbidding freezing frozen glacier harsh high ice icy mountain mountainside natural nature rock Rockies Rocky Mountains severe snow stern dawn debris hard landscape mountains peak retreat rocky scraped scratched scree sky summit sunrise worn bank dour range silt stark chill shadow snowy steep sunlight altitude bend destination direction exercise height hiking path track trail travel Trek turn walk walking blue brook brown community dwelling foothills green hills Himalayas house housing huts Incredible India India Ladakh settlement small society stream village Fox Glacier highland ice cap Natural landscape new zealand slope Glaciers Himalayan Range horizon Indus melting snow mountain range peaks rivers snow caps snow peaks valley valleys cloud