Dark-Sky Lodge

Hotel Senjojiki

Nagano, JP. Bortle 2 sky, self_guided programming, and astronomy-forward stay context.

High AltitudeMountain-sky stay where weather, season, and elevation shape the observing promise.
Open in StellaPrimary source
1 stay - Ready for offline
$230/ night est.
Guests
2

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Trust & Evidence

Review evidence before booking

Status
Review Evidence
Next proof
Evidence is sufficient for a booking-forward Stella Stay card.
Source
Official Property
Last verified
2026-05-26

Source Evidence

1 tracked source URL attached.

Source-linked1 source attached

Observing Fit

Telescope inventory
No telescope claim; Stella classifies this as dark-sky lodging or self-guided sky architecture.
Resident astronomer
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Category
Dark-Sky Lodge
Tier
dark sky stay

Planning Notes

Booking confidence
Review Evidence
Bortle confidence
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Last verified
2026-05-26
Verification note
Wave 2 Japan card; official hotel page supports high-altitude starry-sky positioning, but guided stargazing dates need current confirmation.
Highlights3
  • High-altitude hotel at 2,612 m
  • Promoted as Japan hotel closest to the sky
  • Guided stargazing dates need confirmation

The sky during your stay

What you can expect overhead at Hotel Senjojiki through the year — Moon phases and eclipses are exact dates; the Milky Way and aurora are seasonal likelihoods. Pick a month to plan around it.

Dark window Milky Way Meteors Eclipse★ Best months to visit

July 2026 · recommended

  • Darkest skies

    New Moon on Jul 14 — the best window for the Milky Way and faint objects.

  • Milky Way core — peak seasonseasonal

    The galactic core is high overhead and well placed here.

  • Delta Aquariids meteor showerlikely

    Peaks around Jul 30, up to ~25/hr. A steady southern-hemisphere favourite.

Dark-sky parks & sites near here

Certified parks, reserves, and observing sites within reach of this stay.

On the map