A man has been charged for dangerous driving after four campers were injured by a vehicle being driven on the site.
One woman remains in a critical condition in hospital following the incident which happened on Monday, August 19 on Rhyd y Galen campsite near Caernarfon.
Jake Waterhouse, 26, from Manchester will appear before Llandudno Magistrates Court on Wednesday, August 21.
DCI Sion Williams said: “As a result of this disturbing incident the Crown Prosecution Service has authorised charging a 26-year-old man from the Manchester area with causing serious injury by dangerous driving, driving otherwise in accordance with a driving licence, driving a motor vehicle without insurance and failing to provide a breath specimen for analysis"
A second man has been released under investigation, pending further inquiries.