Go lake cruising, visit a citadel's ruins and ride a cable car to an all-weather observatory at 1,100 ft. on this fun-packed excursion. Following the scenic hour-long drive to Onuma National Park, capture views of picturesque island-dotted lakes and dormant volcano, before taking in a 30-minute lake cruise and lunch. At Goryokaku Tower, see park and downtown vistas from its 351'-high tower. Then ascend via cable car to Mt. Hakodate's all-weather observatory and inhale panoramic views.