Nagano Snow Monkeys 地獄谷 · THE TENTH-BATH GUIDE Book a tour

AUTUMN · OCTOBER–NOVEMBER · THE HONEST LOW

The two months the park itself warns you about

Mating season, and the park says appearances are particularly sporadic in autumn — the troop is well fed in the mountains and under no pressure to come down. These are the only two months of the year with no Snow Monkey Pass on sale at all.

Mean air 7.9 to 14.4 °C in Nagano city, and the park at 850 m runs two to three degrees colder. The gate is 8:30–17:00 and 9:00–16:00 depending on the month.

Two Japanese macaques face to face in the steaming pool, the younger one grooming the older

The 2 months of autumn, side by side

RISKY

October keeps the long summer day and the autumn color. November loses an hour to the winter timetable on the 1st and gains the first flurries mid-month, which settle for nobody.

AUTUMN · MEAN AIR, NAGANO CITYCHECKED 2026-09-06
OctoberRISKY · 12TH OF TWELVE · 8:30–17:00 · NO SNOW
14.4 °C
NovemberRISKY · 11TH OF TWELVE · 9:00–16:00 · 1 CM
7.9 °C

What autumn is, at this park

Mating season, and the park says appearances are particularly sporadic in autumn — the troop has food in the mountains and less reason to come down.

Park staff work to attract the monkeys during opening hours, but the monkeys may not show up at all on certain days; appearances are particularly sporadic in autumn.

The park publishes a predicted time for the monkeys coming down from the mountain and asks visitors to check before traveling and again on the day, through its live cameras and social accounts — the only thing that answers «will they be there today», and it is free.

Autumn cannot be insured against

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No operator refunds a no-show, and the park’s own wording is that the monkeys may not show up at all on certain days. This is the one season where the honest advice is to go for the valley and treat the troop as a bonus.

NOTHING ON SALE CHANGES THIS Park staff work to attract the monkeys during opening hours, but the monkeys may not show up at all on certain days; appearances are particularly sporadic in autumn. Seven of the 21 tours on this site include the ¥800 (≈$5.1) gate fee in the price and the rest leave it at the gate; not one of them includes a monkey.

LIVE DATES · AUTUMN · FROM NAGANO · ¥800 (≈$5.1) AT THE GATE

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Autumn, month by month

Of the 2 months in autumn, November ranks highest on this site’s own order — 11th of twelve. That is a ranking, not a promise.

OR OCTOBER · NOVEMBER · ALL TWELVE COMPARED

$136 (≈¥21,200) · Autumn · from Nagano Station · 4.8 (56) · ¥800 (≈$5.1) at the gate

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