Is Hannoki Falls Spring Snowmelt happening right now?

As of today, out of season, returns ~April. Earth Exhibit tracks the live conditions and flags it the moment it is on.

Hannoki Falls is a seasonal waterfall in Tateyama, Toyama Prefecture that flows only during spring snowmelt.

It is visible from viewpoints along the Tateyama area and the Tateyama Kurobe Alpine Route, typically producing its strongest flow in the weeks after the Alpine Route opens each spring.

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
Murodo Plateau Viewpoint (Tateyama Kurobe Alpine Route)
Shomyo / Hannoki Falls Observation Deck (Tateyama)

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.