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Oze marshland

Oze / OzegaharaMap of OzeOze 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 meters.
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.

  • Never step into the marsh.
  • Never pick any plant or animal.
  • Never throw garbage. Take your garbage back.

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.

How to get to here

Railroad and route bus (From Fukushima Prefecture)

  1. From Aizu-Wakamatsu to Aizu-Tajima, by local train on Aizu Railway Line, about 1 hour and 5-10 minutes.
  2. From Aizu-Tajima station, by route bus, 2 hour and 15-30 minutes to Miike, 2 hours and 35-50 minutes to Numayama-tooge.

Railroad and route bus (From Gunma Prefecture)

  1. From Tokyo to Jomo-kogen, by Joetsu-Shinkansen, about 1 hour and 15-20 minutes.
    Or after getting off Takasaki (about 50-60 minutes from Tokyo), transfaer to JR Joetsu Line. Then get off at Numata (about 45-50 minutes from Takasaki).
  2. The route bus runs from Jomo-kogen station through Numata station to Ooshimizu. The number of bus service from Numata is more than from Jomo-kogen.
    It takes 2 hours and 6 minutes from Jomo-kogen. and 1 hour and 41 minutes from Numata.
  3. When you want to go to Hatomachi-tooge or Fujimi-shita, get off the bus at Tokura stop. (From Tokura to Ooshimizu, 11 minutes)
    Other buses run to these spots. About 35 minutes to Hatomachi-tooge, and about 10 minutes to Fujimi-shita.

Overnight train "Oze-yakou 23:55" (From Asakusa station in Tokyo)

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.

Car (From Fukushima Prefecture to Miike)

  • From central Aizu-Wakamatsu city, about 110 km, about 2 hours and 30 minutes.
  • From Nishi-Nasuno-Shiobara Exit on Tohoku Expressway, about 105 km, about 2 hours and 20 minutes.

Car (From Gunma Prefecture to each spot)

  • From Numata Exit on Kan-etsu Expressway, about 50 km, about 1 hour and 10 minutes.

Boardwalk Route Map in OzeWalking route map in Oze




A scenery of Oze
A field of daylilies in Oze
Mount Hiuchi
Mount Shibutsu
Lake Oze-numa and Mount Hiuchi Sanjo Waterfall in Oze
A pond in Oze A crossroad of boardwalk in Oze
White arum in Oze Marsh Marigold in Oze

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Lake Inawashiro
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Ura-Bandai area
Aizu-Wakamatsu
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Oouchi-juku
Oze marshland