The spokesperson did not say where the accident occurred, but Deadline wrote that the Reno Gazette-Journal has reported that Renner has a home near Lake Tahoe’s Mt. Rose ski area.

Source: https://www.latimes.com/california/story/2023-01-01/actor-jeremy-renner-in-critical-condition-after-snow-plow-accident

The Washoe County sheriff's office said in a statement Sunday that deputies responded to a report of a traumatic injury in the area of the Mt. Rose Highway at about 9 a.m. Sunday before Renner was flown by helicopter to a local hospital.

Source: https://www.gjsentinel.com/news/us/reno-mayor-actor-renner-was-helping-stranded-car-when-hurt/article_71939e7b-8f71-5dde-9a60-63f862db1b76.html