Lake Ruataniwha emptying into hydro canal

lake ruataniwha hydro canal waterway lake canal river water emptying flowing stream runoff rugged mountain range towering highlands landscape scenery nature wilderness tranquil serene calm peaceful picturesque beautiful idyllic majestic panoramic stunning view new zealand south island twizel canterbury aorakimount cook national park hydroelectric power energy infrastructure engineering empty dry rocky rocks lakeshore cascade channel scenic