Home Mt. Fuji Climbing Bullet Climbing Mt Fuji: 6 Risk You Should Know Before Your First Step

Bullet Climbing Mt Fuji: 6 Risk You Should Know Before Your First Step

by Ryu_C@RakuRakuJP

What is projectile mountain climbing?

Dangan mountaineering usually refers to a climbing trip to Mount Fuji where climbers do not stay in mountain huts, but climb to the top of Fuji for a short time to enjoy the sunrise, and then quickly descend.

These climbers usually choose to start from the climbing trail after sunset, and do not carry a lot of climbing equipment to climb Mount Fuji. The purpose is to climb Mount Fuji as quickly as possible and reach the top of Fuji before sunrise, so that they can save money. Accommodation in a mountain hut is expensive, but you can also enjoy the sunrise from the top of Mount Fuji.

What are the benefits of pellet climbing on Mount Fuji?

For some climbers, as long as they use "projectile mountain climbing" to climb Mount Fuji, they can not only save the cost of staying in a mountain hut on Mount Fuji, but also significantly shorten the entire climbing trip. On the other hand, the temperature after sunset is relatively low, so it will be more comfortable to start climbing Mount Fuji in this environment.

Another point is that some climbers think that as long as they arrange a quick trip to climb Mount Fuji, they can carry less climbing equipment and climbing items, making the entire climbing trip easier.

The above views are all correct, because many people will arrange to go climbing at night and then wait for the sunrise. But this kind of itinerary is definitely not suitable to be included in the climbing itinerary of Mount Fuji.

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The real risks of projectile climbing on Mount Fuji

The problem of "projectile mountaineering" has emerged many years ago, and it has continued to trouble local rescue center and hiking trail staff. Many climbers underestimate the difficulty of climbing Mount Fuji, the weather on the top of Mount Fuji, and the effects of air pressure changes during climbing, which ultimately lead to varying degrees of physical discomfort. Climbers with mild symptoms usually only need a short rest to recover. However, some climbers with severe symptoms require the assistance of tractors to return to the starting point of the hiking trail.

Climbing Mount Fuji is inherently a challenging sport, and every climber needs adequate preparation before starting. As for "dangan mountaineering", a method of climbing Mount Fuji, you expose yourself to many different risks.

Increased chance of developing altitude sickness

Mount Fuji is a high mountain with an altitude of 3,776 meters, and the starting points of most climbing routes on Mount Fuji are above 2,000 meters above sea level. This means that your body must overcome changes in air pressure and oxygen content in the air, thereby preparing for Mount Fuji. effects on the body.

Under normal circumstances, it takes a while for the human body to adapt to a high-altitude environment, so that the body does not suffer from some acute complications due to a drop in air pressure and a drop in oxygen content in the air. Therefore, most Mount Fuji climbing itineraries last for more than 24 hours, and arrangements are made to stay at the starting point of the climbing trail for at least 2 hours to allow the body time to adapt to the high-altitude environment.

However, if you are preparing to quickly complete the entire climb of Mount Fuji within 8 hours, this means that you will quickly climb from 0 meters above sea level to 3776 meters above sea level, without giving your body enough time to adapt to the high altitude environment. In addition, a fast mountaineering trip means that you do not have enough sleep time, which will also greatly increase the risk of suffering from altitude sickness.

More information about altitude sickness on Mount Fuji: How to prevent altitude sickness on Mount Fuji

Mount Fuji altitude sickness
Severe mountain sickness can be fatal and should never be taken lightly. (Click on the image to learn more)

increased chance of injury

Mount Fuji was originally a natural volcano filled with gravel, not a natural park where staff regularly paved hiking trails. In other words, you have a chance of encountering rock falls while climbing Mount Fuji.

If you climb Mount Fuji during the day, you can avoid it in time and continue climbing to the top of Mount Fuji from a safer hiking trail nearby. But when you climb Mount Fuji at night, the chances of injury are greatly increased because the road conditions are not obvious.

On the other hand, since Mount Fuji does not have any lighting system, even if you want to give up on climbing Mount Fuji, you will find that descending the mountain at night will be much more difficult than you imagined.

Some climbers suffer from altitude sickness as a result of participating in pellet climbing.

Increased chance of developing hypothermia

Mount Fuji is an environment with large temperature differences. Especially in the early morning and on days with strong winds, the temperature at the top of Fuji can be as low as 0 degrees. But in Tokyo at the same time, the temperature can reach as high as 30 degrees.

Because many climbers who participate in "projectile mountain climbing" will choose to set off at 17:00 in the afternoon, and most climbers will go to Mount Fuji from Tokyo, which is hot in summer. Therefore, many climbers will choose clothing for climbing Mount Fuji based on the weather in Tokyo, greatly increasing their chances of suffering from hypothermia.

Simply put, to successfully climb Mount Fuji, you must prepare a complete set of mountaineering equipment. Not only do you need a waterproof and windproof jacket, but you also need a complete set of mountaineering equipment. This can reduce the chance of injury during mountain climbing and the chance of suffering from hypothermia.

More information on Mount Fuji equipment: Mount Fuji equipment list / Rent Mount Fuji climbing equipment / Preparation Checklist for Climbing Mount Fuji for the First Time
More Mount Fuji weather information: Weather forecast for climbing Mount Fuji

Mount Fuji climbing equipment
Lack of a complete set of mountaineering equipment will greatly increase the chance of suffering from hypothermia. (Click on the image to learn more)

Climbing becomes difficult

Every climber who goes to climb Mount Fuji will definitely want to climb to the top of Fuji to watch the sunrise. So between 23:00 in the evening and 04:00 in the morning, climbers will leave the mountain hut one after another and start climbing to the top of Mount Fuji.

If you start climbing Mount Fuji after 18:00 in the evening, you will encounter a large number of people preparing to climb Mount Fuji. In this case, you may not be able to successfully climb to the top of Fuji before sunrise.

On the contrary, if you choose to start climbing Mount Fuji early and stay at a mountain hut on Mount Fuji, you can more easily control the time to reach the top of Mount Fuji.

Information about sunrise at Mount Fuji: Mount Fuji sunrise time

Mount Fuji Mountain House-Olaikokan
Located on the Mount Fuji Yoshida Line, you can enjoy the sunrise from outside the Goraikokan. (Click on the image to learn more)

It’s not easy to buy items while climbing

Each climbing route on Mount Fuji has multiple mountain huts. In theory, you can buy food, drinks, and some simple mountaineering equipment from the mountain huts anytime and anywhere.

However, since most mountain huts will be very busy between 17:00 pm and 21:00 pm to receive guests who check in on the same day and prepare dinner for the guests that day, the mountain hut staff will usually give priority to the guests' requests. Not a requirement from other climbers. In addition, after 21:00 in the evening, the mountain hut will try to minimize the noise in order to prepare a quiet environment for guests to rest.

For all of the above reasons, you will find why even though mountain huts are not cheap, many climbers still choose to stay there.

Need to pay high costs for rescue services

There is a chance of suffering from mild altitude sickness and hypothermia while climbing Mount Fuji. These symptoms can usually be recovered with proper rest. But when you unfortunately suffer from severe mountain sickness or hypothermia, you may need to use Mount Fuji's emergency rescue service to quickly transport you to the starting point of the hiking trail and arrange for more in-depth treatment.

The fees for the above emergency rescue services are by no means cheap, with an average cost ranging from ¥30,000 to ¥50,000. In other words, if you choose to stay in a mountain hut such as Mount Fuji, you can save the cost of emergency rescue services and enjoy the fun of climbing Mount Fuji.


Should you take part in a “bullet climbing” trip on Mount Fuji? If you had clearly seen the risks that such a quick climb up Mount Fuji would bring to you, I believe you would not consider participating in such a high-risk mountaineering trip.

Mount Fuji is a scenic spot that is worth your time to experience. Whether it is the starry sky of Mount Fuji at night, the sunrise view of Mount Fuji, the reflection of Mount Fuji, or the process of staying in a mountain hut on Mount Fuji, it will be a very unforgettable travel experience. If you are preparing to quickly complete the process of climbing Mount Fuji, you are voluntarily giving up the most admirable aspect of Mount Fuji.

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