The Kii Mountain Range is covering the most part of the Kii Peninsula.
The Omine Mountain Range forms the middle part, the Obako Mountain Range the western part and the Daiko Mountain Range the eastern part of the Kii Mountains.
A part of the Kii Mountain Range belongs to the Yoshino Kumano Nationalpark (established 1936). The park is composed of mountains from the central, the southern parts and the coastal area. It covers an area of 597,93 square kilometres of the prefectures Mie, Nara and Wakayama. Within the Nationalpark and the Kii Mountains is also the UNESCO Heritage site, known as "Sacred Sites and Pilgrimage Routes in the Kii Mountain Range".
Japan 1949, souvenirsheet.
Yoshino Kumano Nationalpark.
The four stamps of the souvenirsheet were issued in sheets of 20 stamps as well.
The stamps are showing:
2 sen) Lion Rock
5 sen) Omine-san
10 sen) Dorokyo Gorge
16 sen) Hashi-gui-iwa (Bridge Pillar Rocks) at the coast in Kushimoto.
Japan 2007, Sacred Sites and Pilgrimage Routes in the Kii Mountain Range.
Japan 2014, Kumano Old Road.
A view from the viewpoint Hyakkenza or Hyakkengura in the southeastern part of the Wakayama Prefecture towards north/northeast.
The Kumano Old Road (Kumano Kodō) is a series of ancient pilgrimage routes on the Kii Peninsula.
The stamp was issued in the series "Japanese Mountains Series 5".
Japan 2017, Hashi-gui-iwa at the coast in Kushimoto.
Hachi-gui-iwa (”bridge pillar rocks”) are about 40 stone pillars of varying sizes that stand in a straight line for about 850 m. They have been designated as a natural monument of Japan in the Yoshino-Kumano National Park region.
The stamp was issued in the series "Japanese Night View Series No 4".