# Mushroom foraging fatalities in Nagano Prefecture

> Developing situation record from CLSTR: https://clstr.news/situations/mushroom-foraging-fatalities-in-nagano-prefecture
> Updated: 2026-10-10T14:16:56.000Z. Sources: 4. Developments: 2.

A series of fatal accidents involving mushroom foragers has been reported in Nagano Prefecture, Japan. Between September 22 and October 11, six deaths have been confirmed in connection with foraging activities.

Initial reports focused on the death of Hiroshi Kurosawa, the 71-year-old mayor of Koumi, who was found deceased on a slope after entering a forest alone to collect mushrooms on October 9. Following this, a 73-year-old woman from Tatsuno Town died on October 11 after falling approximately 40 meters down a steep slope in Anan Town.

Authorities noted that heavy autumn rains have resulted in a bountiful mushroom season. Police have urged caution, advising individuals to avoid steep slopes and recommending that foraging be done in groups to prevent further accidents.

## Timeline

### 2026-10-10: Nagano Prefecture reports six deaths in mushroom foraging accidents

Six people have died in Nagano Prefecture, Japan, due to mushroom foraging accidents between late September and October 11, including the death of Koumi Town Mayor Hiroshi Kurosawa.

2 sources. https://clstr.news/cluster/nagano-prefecture-reports-six-deaths-in-mushroom-foraging-accidents

### 2026-10-10: Koumi Mayor Hiroshi Kurosawa found dead in mountain forest

Hiroshi Kurosawa, the 71-year-old mayor of Koumi, Nagano, was found dead in a forest while mushroom picking. Police are investigating potential causes.

3 sources. https://clstr.news/cluster/koumi-mayor-hiroshi-kurosawa-found-dead-in-mountain-forest

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Cite as: Mushroom foraging fatalities in Nagano Prefecture. CLSTR, https://clstr.news/situations/mushroom-foraging-fatalities-in-nagano-prefecture