banff national park with castle mountain in morning sun, bow valley parkway, canadian rocky mountains, alberta

environment wilderness forbidding mountains landscape formation adventure precipice tectonics national mountain canadian imposing towering junction heritage outdoors panorama sunshine morning parkway alberta shining terrain plateau geology america erosion glacial natural outdoor rockies tourism western details castle valley cliffs canada canyon nature alpine forest summer travel unesco banff rocky early cliff ridge light north parks peaks rocks bow blue sky walls precipice parks west western