Oze is one of most popular marshlands in Japan, and is located on the border between Fukushima and Gunma Prefectures.
The central area is "Ozegahara" marsh which is about 6 km from east to
west and 3 km from north to south, and is at a height of about 1,400
And there are Mount Shibutsu (2,228 m, "Shibutsusan" in Japanese) to the west and Mount Hiuchi (2,356 m, "Hiuchigatake" in Japanese) to the east.
There is a lake "Oze-numa" at the south foot of Mount Hiuchi.
This area is a natural treasury. It has great communities of white arum
(Asian skunk cabbage), sphagnum, marsh marigold, cottongrass, daylily
and many other precious plants.
So it has been designated a national park in 1934 and special national treasure in 1960, additionally was inscribed as a registered wetlands under the Ramsar Convention in 2005.
The size of total protected area is about 8,690 hectares, and the whole area is called "Oze".
It is forbidden to drive cars in this area.
Therefore, all visitors must tour around this large area on foot. In addition, they must walk only on the wooden boardwalk.
So you had better dress for trekking.
There are about 15 mountain lodges in this area. If you want to stay,
advance reservations are required.
But they serve the light meals and sell some drinks and souvenirs. They are available as rest houses.
Additionally public latrines are set up at only each lodge. (Please put 100 or 200 yen into a box when you use a latrine.)
Please have good manners in Oze.
The entrances of Oze are followings.
From Fukushima Prefecture, 1) Miike, 2) Numayama-tooge (Numayama pass).
From Gunma Prefecture, 1) Hatomachi-tooge (Hatomachi pass), 2) Fujimi-shita, 3) Ooshimizu.
It is the overnight train of Tobu
Railway, and sometimes runs at the weekend from June to October.
It leaves Asakusa station at 23:55, then arrives at Aizu-kogen-Oze-guchi on Aizu Railway at 3:18.
And the bus for the passengers leave there at 4:00 and arrives at Numayama-tooge at 6:10.
You need to reserve through Tobu Travel Co., a tour company of Tobu Railway.