The 2026 climbing season runs from July 1 to September 10 for the main Yoshida Trail, and July 10 to September 10 for the Shizuoka trails (Fujinomiya, Subashiri, Gotemba).

Regardless of which trail you choose, a 4,000 yen hiking fee is mandatory, and the trailheads are physically restricted by gates that close between 2:00 PM and 3:00 AM to anyone without a mountain hut reservation.

However, the booking process differs depending on your route.

One of the most common questions from first-timers is how long the actual trek takes. Times vary drastically based on the route, your fitness level, and trail congestion, but here are the official average times.

Based on advice from veteran climbers across popular travel forums, here is what you actually need to know before you go.

It depends on your expectations. Mt. Fuji is an active volcano, meaning the terrain is entirely barren rock, ash, and gravel. You climb Mt. Fuji for the physical accomplishment, the cultural significance, and the breathtaking sunrise—not for a serene nature walk.

A "bullet climb" (hiking straight through the night without sleeping) is the fastest way to fail. Exhaustion paired with sudden elevation gain is a recipe for severe altitude sickness. Furthermore, the new 2:00 PM to 3:00 AM gate closures make bullet climbing virtually impossible for standard tourists. Bullet climbing is not recommended at all.

Altitude sickness is one reason climbers turn back. The best prevention is acclimatization: spend at least 45 to 60 minutes resting at the 5th Station before you begin your hike. Walk at a “snail’s pace,” stay highly hydrated, and skip the gimmick canned oxygen in favor of deep, deliberate breathing. If you start feeling lightheaded, stop climbing and rest immediately. If symptoms persist, descending to a lower altitude and increasing oxygen intake will usually help you recover naturally.

The trails are extremely well-marked and heavily populated, meaning you will likely not get lost if you go solo. However, hiring a guide is highly recommended for beginners because they set a steady, manageable pace that helps prevent you from exhausting yourself or developing altitude sickness.

If the daily limit of 4,000 climbers is reached, access to the trail will be closed for the day. Advance payment is required when making a reservation, and full cancellation fees apply starting two days after payment. However, you can change your climbing date up until the day before your reservation.

While the trails remain open throughout the summer climbing season, weather on Mt. Fuji can change suddenly and dramatically due to its isolated peak. Even in summer, temperatures can drop below freezing. Always check the forecast before your climb and bring appropriate gear for cold, wet, and windy conditions.

One essential item to pack for your climb is a stash of 100-yen coins. Most toilets on Mt. Fuji require a usage fee of 200 to 300 yen, and they typically operate on an honor system: just drop the coins into a collection box, as there are usually no attendants. If you're planning an off-season ascent, be sure to bring a portable toilet, as facilities may be closed.

From Kawaguchiko Station or Mt. Fuji Station on the Fujikyu Line, take a Fujikyu bus to the 5th Station—about a 1-hour ride. To reach Kawaguchiko Station from Tokyo, take the JR Chuo Line to Otsuki Station, then transfer to the Fujikyu Line (about 40 minutes).

1. Uphill has the right of way
Always give priority to those climbing uphill. Be courteous and yield the trail with a spirit of cooperation.

2. Avoid dangerous overtaking
During peak season, trails can get crowded. Forcing your way past others can cause you to step off-trail, risking falls or dislodging rocks. Whether ascending or descending, stay calm and move at a safe pace.

3. Stick to the mountainside (inner side) of the trail
Walking along the edge increases the risk of loose stones falling. Always stay on the inner side of the path. If you accidentally cause a rock to fall, immediately shout “Rock!” to alert others below.

4. Do not approach wildlife nests
Mt. Fuji includes designated wildlife protection zones. If you spot a nest, do not touch or approach it—this helps protect breeding birds and animals.

5. Be quiet near mountain huts
At night, many people are resting in or near the huts. If you’re taking a break nearby, keep your voice down and avoid making noise.

To help preserve the beauty of Mt. Fuji, all climbers must take their trash home with them. Be sure to bring a bag specifically for carrying your garbage in your backpack. Every climber’s effort counts in protecting this iconic landscape.

Mountain huts are basic lodgings designed more for rest than comfort, often with sleeping bags laid side-by-side on shared wooden floors.

They provide a place to pause before a summit push, and climbers entering the mountain between 2 PM and 3 AM the following day are required to stay overnight at a mountain hut. During these gate closure hours, showing proof of a mountain hut reservation is the only way you will be allowed onto the trail. Reservations should be made well in advance.

Expect very minimal facilities. Most huts offer simple overnight stays with basic meals, usually costing around 10,000 to 15,000 yen per person for one night with two meals. Shared sleeping spaces are common, often separated by gender, and there are no showers or baths. Water is extremely limited on Mt. Fuji, so washing facilities are generally unavailable. Some huts also begin closing by late August, making advance planning especially important later in the season.

Payments on the mountain are almost always cash-only, so bring enough yen with you. Toilets may use different waste-processing systems, so be sure to follow posted instructions carefully. Climbers are also expected to carry all trash back down the mountain, as disposing of waste on Mt. Fuji is both difficult and costly for hut operators.

Now that you know the official rules, how long it takes, and have your mountain hut booked, it’s time to pack your bags and plan the rest of your trip!

To make sure you survive the extreme temperature shifts, have the correct footwear for the volcanic rock, and know exactly which bus to take from Tokyo, head over to our Complete Guide to Climbing Mount Fuji: Routes, Gear, & Itineraries.