Two-Day Mount Fuji Summit Climb on the Forested Subashiri Trail in Hakone

Of Fuji's four climbing trails, Subashiri is the one that still feels like a mountain rather than a queue. It starts on the Shizuoka side at 2,000m and spends its first stretch inside forest, so you climb for a couple of hours under trees before the vegetation thins out around 2,500m and the volcano shows itself for what it is: a bare cone of cinder and lava. Yoshida, on the Yamanashi side, carries the great bulk of Fuji's climbers. Subashiri carries a fraction of them, and merges with the Yoshida path only near the top.

The schedule is built around an overnight rather than an all-night push. You meet your guide at the 5th station at 10:00, reach the new 6th station at 2,420m around midday, the 7th at 2,920m in mid-afternoon, and settle into an 8th station hut at 3,270m by early evening. Huts on Fuji are communal sleeping platforms, not hotel rooms, but that early stop buys you something valuable: several hours of rest at altitude, city lights spread out far below, and on a clear night a sky that makes the effort look worthwhile before you have even finished it.

Day two starts at 03:30. You climb by headlamp, and sunrise arrives at roughly 04:45 while you are still on the trail rather than at the crowded summit crater. The last section reaches 3,720m at around 07:30, where the guide leads a walk on the crater rim past the Tainaiin. Weather allowing, you look down on the Hoei Crater, the wound left on Fuji's southeast flank by the 1707 eruption, and you may catch Kage Fuji, the enormous triangular shadow the mountain throws across the plains and cloud sea at dawn. The descent uses the Sunabashiri, a slope of soft volcanic sand you can more or less run down, which returns you to the 5th station by about 14:00.

This is a serious mountain day and it deserves an honest description. You gain roughly 1,700 vertical metres over two days at altitudes where the air holds around two-thirds of the oxygen you are used to. Headaches, nausea and breathlessness are ordinary on Fuji even for fit people, and the standard defence is to walk slowly, drink constantly, and tell your guide early. Weather at the summit can sit near freezing with hard wind in the middle of a Tokyo summer. Anyone who hikes regularly and takes the pace seriously can do this; nobody should treat it as a walk.

On pricing, read the tiers carefully because the structure is unusual. What you are booking is the guide, and the fee is charged for the party as a whole on a sliding scale, so one climber and two climbers pay the same total. Your own hut night, the mountain entrance fee, the shuttle bus to the trailhead and the guide's own hut accommodation are all paid separately, and the operator states these openly rather than folding them into a headline number. The climbing window is short, roughly 10 July to 10 September, and the minimum age is seven.