Nagoya, Iida, or Hirugami Onsen · 1200m

Namiai Park

A paid highland facility around 1,200 metres with guided stargazing sessions.

Wait for clearer skies. Avoid a rushed trip.

Forecast availableSky conditions onlyRecommendation paused

Sunset 16:51Astronomical dark 18:18Sunrise 06:14

54Sky conditions only

Excellent↗

Moon for the selected night

Waning crescent

19% · Above horizon

19%

Fair

Cloud

45%

Wind 5.2 km/h

Fair

Rain chance

55%

Visibility 25 km

Poor

Humidity

96% · 10°C

Visibility 25 km

Hourly sky conditions

Wed, Nov 4

Booking not verified

Checks before departure

No unauthorised night entry; verify booking, operating calendar, and winter-road conditions.

Booking not verifiedRoad status not verifiedOfficial warning not verifiedStatus source expired

Time basis: Asia/Tokyo
Forecast and viewing coordinates: 35.35378, 137.66821
Altitude: 1200 m

Before you stargaze

· Give your eyes about 10 minutes to adapt to the dark after arrival.
· Keep flashlights and vehicle lights low for other stargazers.
· Recheck local wind, cloud, temperature, and official warnings just before departure.
· Verify roads, public transport, the walking route, and your return separately from the sky score.

Sources and checked dates

Geospatial Information Authority of Japan map

Checked: Jul 10, 2026, 00:00 · Review by: Jan 6, 2027, 00:00

Namiai Park official facility and access page

Checked: Jul 10, 2026, 00:00 · Review by: Aug 9, 2026, 00:00

Namiai Park reservation and operating calendar

Checked: Jul 10, 2026, 00:00 · Review by: Jul 24, 2026, 00:00

JARTIC road information verification

Checked: Jul 10, 2026, 00:00 · Review by: Jul 11, 2026, 00:00

Japan Meteorological Agency warnings and advisories

Checked: Jul 10, 2026, 00:00 · Review by: Jul 11, 2026, 00:00

Back to Japan conditions

Nagoya, Iida, or Hirugami Onsen · 1200m

Namiai Park

A paid highland facility around 1,200 metres with guided stargazing sessions.

Wait for clearer skies. Avoid a rushed trip.

Forecast availableSky conditions onlyRecommendation paused

Sunset 16:51Astronomical dark 18:18Sunrise 06:14

54Sky conditions only

Excellent↗

Moon for the selected night

Waning crescent

19% · Above horizon

19%

Fair

Cloud

45%

Wind 5.2 km/h

Fair

Rain chance

55%

Visibility 25 km

Poor

Humidity

96% · 10°C

Visibility 25 km

Hourly sky conditions

Wed, Nov 4

Booking not verified

Checks before departure

No unauthorised night entry; verify booking, operating calendar, and winter-road conditions.

Booking not verifiedRoad status not verifiedOfficial warning not verifiedStatus source expired

Time basis: Asia/Tokyo
Forecast and viewing coordinates: 35.35378, 137.66821
Altitude: 1200 m

Before you stargaze

· Give your eyes about 10 minutes to adapt to the dark after arrival.
· Keep flashlights and vehicle lights low for other stargazers.
· Recheck local wind, cloud, temperature, and official warnings just before departure.
· Verify roads, public transport, the walking route, and your return separately from the sky score.

Sources and checked dates

Geospatial Information Authority of Japan map

Checked: Jul 10, 2026, 00:00 · Review by: Jan 6, 2027, 00:00

Namiai Park official facility and access page

Checked: Jul 10, 2026, 00:00 · Review by: Aug 9, 2026, 00:00

Namiai Park reservation and operating calendar

Checked: Jul 10, 2026, 00:00 · Review by: Jul 24, 2026, 00:00

JARTIC road information verification

Checked: Jul 10, 2026, 00:00 · Review by: Jul 11, 2026, 00:00

Japan Meteorological Agency warnings and advisories

Checked: Jul 10, 2026, 00:00 · Review by: Jul 11, 2026, 00:00