# Hopi Hari roller coaster accident investigation > Live situation record from CLSTR: https://clstr.news/situations/hopi-hari-roller-coaster-accident-investigation > Updated: 2026-09-22T23:45:37.000Z. Sources: 27. Developments: 2. In April, 28-year-old Júlia Rimoli Bossoni suffered severe neurological injuries, including intracranial hemorrhage and cerebral edema, while riding the Montezum roller coaster at the Hopi Hari theme park in Vinhedo, São Paulo. Medical professionals attributed the injuries to a ‘counter-strike’ or ‘whiplash’ mechanism caused by sudden acceleration and deceleration. Following a 57-day hospitalization and emergency surgery, Bossoni experienced loss of movement on the left side of her body and ongoing speech and memory difficulties. The incident triggered investigations by the Civil Police and the Public Prosecutor's Office of São Paulo. While the park maintained that it followed all safety protocols and held international certification, the victim's family accused the establishment of withholding camera footage and ceasing financial assistance after she returned to Londrina, Paraná. Five months after the accident, the family reported significant medical expenses exceeding R$ 70,000. In response to these challenges, Hopi Hari announced it would resume covering essential care costs, including retroactive payments dating back to the victim's discharge from the hospital in Vinhedo. ## Timeline ### 2026-09-22: Hopi Hari park to resume medical costs for accident victim Following a traumatic brain injury at Hopi Hari, Júlia Bossoni faces ongoing rehabilitation costs, prompting discussions on the necessity of disability coverage in life insurance. 2 sources. https://clstr.news/cluster/hopi-hari-park-to-resume-medical-costs-for-accident-victim ### 2026-09-21: Hopi Hari roller coaster accident leaves visitor with severe neurological injuries The São Paulo Public Prosecutor's Office is investigating a serious incident at Hopi Hari where a 28-year-old woman suffered a traumatic brain injury and paralysis after riding the Montezum roller coaster. 25 sources. https://clstr.news/cluster/hopi-hari-roller-coaster-accident-triggers-investigation-in-so-paulo --- Cite as: Hopi Hari roller coaster accident investigation. CLSTR, https://clstr.news/situations/hopi-hari-roller-coaster-accident-investigation