约翰斯顿峡谷，加拿大班夫国家公园

tree outdoor water landscape nature plant riparian zone river forest watercourse creek water resources stream nature reserve natural landscape waterfall jungle riparian forest state park rainforest surrounded wooded arroyo old-growth forest body of water fluvial landforms of streams mountain river tributary grass lake woodland sky ravine wilderness mountain cloud narrow non-vascular land plant moss tropical and subtropical coniferous forests rapid green wood park wooden lush cascade