Is Naena Falls Moonbow happening right now?

As of Jun 19, 2026, 8:54 PM, peak season now, through ~September 30. Earth Exhibit tracks the live conditions and flags it the moment it is on.

A moonbow is a rainbow produced by moonlight refracting in water droplets.

At Naena Falls (Naena no Taki) in Myoko, Niigata, the falls sometimes produce a visible moonbow on clear nights around the full moon when river flow and wind conditions create persistent spray.

Where to see it

A taste of where to see it. The full map, exact coordinates and the best timing for each spot live in the app.

Viewing spots
Naena Falls Main Viewing Platform (Naena no Taki Parking)
Naena Falls Main Viewing Platform (Naena no Taki Parking)

This is the short version

This page shows a taste. The app has the full list of where to see this, the exact timing, and live conditions for 1,000+ natural phenomena worldwide, so you know the moment one is genuinely worth the trip.