Mount Fuji (3,776m) is Japan’s highest peak, its most iconic symbol, and one of the world’s most climbed mountains — yet many visitors underestimate the physical demand and logistical complexity of a summit attempt. The climbing season runs from early July to mid-September; outside this window, trails are closed and conditions are extremely dangerous. With proper preparation, the climb is achievable for fit individuals without mountaineering experience.
The Four Trails
Four trails ascend Mount Fuji from different sides of the mountain, each beginning at a “5th Station” (go-gome) accessible by road. The Yoshida Trail (north side, Yamanashi Prefecture) is the most popular, most crowded, and best serviced — with mountain huts, toilets, and rescue facilities throughout. The Subashiri Trail (east, Shizuoka) offers a quieter alternative with a forested lower section. The Gotemba Trail (southeast) is the longest and most strenuous, starting at a lower altitude (1,440m) and gaining over 2,300m; the volcanic sand slope allows dramatic sliding descents. The Fujinomiya Trail (south) is the second most popular and reaches the highest starting point (2,400m), making it a shorter climb.
Timing Your Climb
Most climbers choose between a daytime ascent (start morning, summit late afternoon, descend by evening) or an overnight climb (start evening, rest at a mountain hut, summit for sunrise). The overnight sunrise climb is the classic experience — arriving at the crater rim as the sun emerges from a sea of clouds is genuinely transcendent. However, July–August weekends are extremely crowded; Yoshida trail can have queues of hundreds near the summit. Weekday climbs or September timing significantly reduces crowds.
Mountain Huts
Approximately 20 mountain huts (yamagoya) operate on the Yoshida Trail between the 5th and 9th stations, offering meals, drinks, oxygen canisters, and overnight accommodation. Bunks are communal and space is tight — sleeping means lying side by side in a row with dozens of other climbers. Hut meals are basic (curry rice, udon) but hot and welcome after hours of climbing. Book huts months in advance for summer weekends; August weekends sell out by April. Expect to pay ¥7,000–¥10,000 for a bunk plus dinner and breakfast.
Altitude Sickness
Altitude sickness (mountain sickness) is the primary risk on Fuji. Symptoms — headache, nausea, dizziness, fatigue — typically begin above 2,500m and worsen with rapid ascent. The key preventive measure is ascending slowly, drinking water consistently, and considering spending a night at the 5th Station (2,305m) before beginning the climb to acclimatize. If symptoms are severe, descend immediately; altitude sickness can progress quickly to life-threatening pulmonary or cerebral edema. Oxygen canisters sold at mountain huts provide temporary relief but don’t address the underlying problem.
Gear & Clothing
Temperature at the summit is approximately 20°C colder than at sea level and can drop below 0°C even in August. Wind and rain are common. Essential gear: waterproof jacket and trousers, warm base layer, gloves, headlamp with extra batteries, trekking poles (rent at 5th Station), and boots with ankle support. Wearing sandals or light trainers is dangerous and common among underprepared tourists who turn back before the summit. The climbing poles (kongozue) sold at the 5th Station make distinctive souvenirs with stamps from each station.
Practical Tips
- Climbing season: Officially July 1 – September 10; Yoshida trail opens mid-July
- Conservation fee: ¥1,000 per person (Yoshida trail), used for trail maintenance
- Crowds: Peak overcrowding in late July and August; September is quieter with often clearer weather
- Transport: Highway buses from Shinjuku and Tokyo Station to Fuji 5th Station (Kawaguchiko side); 2–2.5 hours
- Fuji Subaru Line closure: Yoshida trail’s road now restricts access; check current rules for private vehicles
- Non-climbers: The 5th Station itself offers views (weather permitting), gift shops, and restaurants for visitors who don’t attempt the summit