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Mt. Hiuchi


標高: 2356m






9 km


➚  ➘  850m


6 時間 




Mt. Hiuchi is the highest peak located in Oze National Park. It features a beautiful mix of lush forests, stunning views, and the boardwalks that Oze is known for. Due to its distance from Tokyo and the natural attractions found in Oze, it's commonly completed as part of an overnight trip with lodges and campsites located on Lake Ozenuma. The most popular day-hike option is a trailhead located on the northern side in Fukushima prefecture, while people aiming for an overnight trip usually come from the southern end in Gunma which also has a direct bus from Tokyo.

Oze National Park is a vast wetland of marshes, old natural forests, and beautiful mountains. Oze features 3 mountains that are included in the Hyakumeizan: Mt. Shibutsu, Mt. Hiuchi, and Mt. Aizu-Komagatake. Both Shibutsu and Hiuchi can be hiked as part of an overnight trip by sleeping at one of the mountain huts. 


The drive from Tokyo to Hatimachi Pass will take about 3 hours. There is a car park located next to the trailhead at Hatomachi Pass, however, to manage traffic congestion it's not accessible during the summer to autumn hiking period. Instead, you'll need to park at the Oze Parking Lot in Tokura and catch a small shuttle bus. The first bus leaves at 5am and takes 20 mins to reach the trailhead. Tickets can be purchased at the car park's vending machine and cost ¥1000.

Public Transport

There is a highway bus from Shinjuku to the Oze Parking Lot in Tokura, which costs around ¥4000. Another option is to continue on to the Oshimizu parking lot, which is often used for hiking Mt. Hiuchi.


The Ozenuma Hutte offers a wide range of different rooms and also allocated space for about 30 tents, it's the best option if you're starting from the Oshimizu trailhead.


If you're also planning to hike Mt. Shibutsu, then the Miharashi Campsite is located between the two mountains. 


Detailed Hiking Map:

Online Hiking Map:


The peak hiking season for Oze is from May to October, snow will hang around until June and begins falling again in mid-October. The summer weather is beautiful with daytime temperatures about 8 degrees cooler than Tokyo. The autumn leaves reach their peak around the end of September and last until mid-October, which is also the busiest time of year.



The hikes



 The Oshimizu Trailhead 

Time: 10 hrs

Distance: 18 km

Elevation change: ➚ ➘ 1200m  

The hike from Oshimizu takes you through the forest and out onto Lake Ozenuma where you'll spend the night at the Ozenuma Hutte. Reaching the hut will take about 3 hours from the trailhead, the trails are well-marked and well-maintained. The next day you'll ascend Mt. Hiuchi in the early morning, and loop around the lake on your way back to the Oshimizu trailhead. Another option if you're camping is to leave your tent behind at the hut and collect it on your way back down, this will save you some energy and make it easier to race up there for the sunrise.

 The Miike Trailhead 

Time: 6.5 hrs

Distance: 9 km

Elevation change: ➚ ➘ 850m 

The hike from the Miike trailhead starts by taking you along a trail that acts as a creek bed when it's been raining, so if you've had rain during the night, much of the trail will be flowing with water. It's not a big problem in terms of slippery rocks or anything, but be prepared for wet shoes etc. After 45 mins you'll reach the marshland which features small ponds and boardwalks. It will take a little over 3 hours to reach the peak from the trailhead, and a little under 3 hours to get back down.


Oshimizu to Hiuchi.png

 The Oshimizu Trailhead 

hiuchi hike elevation.png

 The Miike Trailhead 



Altitude & Weather


Bears (rare)

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Difficulty: 3/5

Prefecture: Gunma

Time: 6 Hrs

Distance: 9 km

Elev. gain: 850m

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