Access to Trail No. 4, “Attraverso la Riserva Tirone,” is not permitted on 15 November 2026 because of adverse weather expected in the area, according to the Vesuvius National Park Authority. The Park said the restriction is a visitor-safety measure.
The trail runs through the Tirone-Alto Vesuvius Forest Reserve. It is 11.260 kilometres long, reaches a maximum altitude of 625 metres, takes about six hours overall and is rated medium difficulty.
The Park recommends checking weather conditions and wearing suitable footwear on its trails. It asks hikers to consult its official website for updates on reopening. The notice does not say when the trail will reopen, nor whether other trails are affected.
