shirayasawa trail

Hiking at Mt.Bonore to Let’s adventure the valley and the waterfalls (2018.08.11)


From Ome line Kawai Station | 川井駅, we will arrive at “Bus bound for Seitoubashi | 清東橋” bus in about 16 minutes (260 yen) for “Seitoubashi | 清東橋”.

Sometimes there are buses that only go to the Kamihinata | 上日向 bus stop three stops before Seitoubashi | 清東橋 bus stop.

Click here for the bus timetable


shirayasawa valley

It takes about two hours by train and bus from Shinjuku to this course, but it is worth it.
Because “Shirayasawa valley” which can enjoy beautiful valley and waterfall is included in the course.
Furthermore, the goal of this hiking course is a hot spring so you can relax and go home with natural hot water.
Of course it depends on you whether you enter a hot spring or not.

The altitude of Mt. Bonore is 969 m and it is located at the prefecture border between Tokyo and Saitama prefecture.
The first half of the hiking course starts from about 400 altitudes and climbs this mountain at once.
The second half of the hiking course goes down the beautiful valley called Shirayatani.
When the valley trail is over, you can enjoy magnificent views of the Arima Dam.
Valley is slippery, sometimes you can put your feet on water so let’s go wearing climbing shoes that are hard to slip.
It rained on the summit of the mountain, it was very slippery, so the ride time was around 4 and a half hours.

shiraya valley


• Non-slip mountaineering shoes

• Sufficient water (1.5 liters on this day)

• Light snack (Sandwiches and rice balls etc…)

• the mosquito repellent spray

• Sunscreen

• Trekking Poles (if you use them)

Arima dam


Seitoubashi Bus staion | 清東橋バス停(9:45)

Entrance of the Mt.Bonore trail | 棒ノ折山ハイキングコース(10:00)

Mt.Bonore | 棒ノ折山(11:30)

Gonjiri Pass | 権次入峠(10:45-11:15)

Iwatake-ishi | 岩茸石(13:15)

Arima dam | 有馬ダム(13:45)

Hot spring Sawarabi-no-yu | さわらびの湯(14:15)

Map of the hiking course

Mt.Bounoore map
↑Click the image to open a map expanded with new tab↑


There is a hot spring on the goal of this hike.
The name of this hot spring is “Sawarabi-no-yu | さわらびの湯”.
Bathing fee is 800 yen, you can enjoy outdoor bath and various types of bathtub.
If you go into a hot spring and relax and go home, I recommend you take clothes.

hot spring sawarabi-no-yu

The way to go back to Tokyo from Sawarabi-no-yu is by bus and train.
First go by bus to Seibu Ikebukuro Line Hannō Station | 西武池袋線 飯能駅.
Seibu Railway Ikebukuro From Line Hannō Station | 西武池袋線 飯能駅 to JR Ikebukuro station | JR池袋駅 will arrive in about 50 minutes.
However, the express red arrow | 特急レッドアロー号 can be used with plus 500 yen.

If you are looking for tour guide of this hiking course please refer to the following.

Mt.Bonore Private Hiking Tour in Okutama

Published by

Tokyo Sampomaster

【Introduction】 Hello! I am a native Japanese living in Tokyo. I introduce hiking trails and running spots in Tokyo for those traveling to Tokyo under the name of "Tokyo Sampomaster". blog : twitter : YouTube : 【Hiking trail】 Although it is not well known, there are many mountains that are suitable for hiking in Tokyo. If you are staying in Tokyo for a week, why not try going to the countryside near Tokyo for one day? A beautiful valley, an old shrine and a relaxing hot spring will heal you and will surely be unforgettable memories. 【Running spots】 If you are a runner, why do not you visit the sightseeing areas of Tokyo by running? There are many facilities equipped with shower and hot spring for runners in Tokyo. The experience of running through the Imperial Palace, traditional temples and shrines with your own feet is a wonderful memory that you can not change anything. If you do not mind, I will undertake free guides as well. English is still not very good, but I will try my best so please feel free to contact us!

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