It's most easily explored in an excursion from the Kansai region by train in a picturesque mountain-railroad journey from Nagoya.
The Kansai region is the largest metropolitan region near the area.
mnli hypothesis: The Kansai region is the largest metropolitan region near the area. premise: It's most easily explored in an excursion from the Kansai region by train in a picturesque mountain-railroad journey from Nagoya.