It includes areas of metamorphic rock created and uplifted by intense orogenic movements, where continuous upward movement of the earth's crust combined with the downward cutting action of the rivers has produced a terrain of many sheer gorges.
而太魯閣國家公園涵蓋由劇烈造山運動隆起形成的變質岩區，加上由於地殼不斷上升，河流下切作用旺盛，也造成區內多見矗立陡峭的峽谷地形。