altitude autumn canada color colour foliage high leaf leaves montane mountain natural nature patchwork plant Rockies Rocky Mountains above aerial air blue forest green height island lake pool trees vancouver water coast ocean pacific rock sea shore austere bleak boulders cloud cold freezing habitat harsh icy landscape melting norway norwegian plants plateau resilient rocks rough rugged snow white America boulder cascades conifers evening light mountains panorama ridge usa valley lichens peaks buds ecology flowers hardy low growing odd pink red small strange unusual bench relax rest seat sit tree view destination direction downhill hiking path sunlight track trail travel Trek