A man has been charged with assaulting three people after a fight broke out at a Cromwell campground.

Police are seeking information from the public to help piece together what happened at the Champagne Gully camping area on Friday night.

Sergeant Regan Price said a fight happened at about 10pm that day.

One man, 33, has been charged with assaulting three people and is due to appear in the Dunedin District Court tomorrow.

Police would like to speak to anyone who was at the campsite and witnessed the incident, or has information or footage.

Contact police through 105 either online or over the phone using reference number 260103/2900.

Information can also be provided anonymously through Crime Stoppers on 0800 555 111.

Champagne Gully is a freedom camping site managed by Land Information NZ. It sits beside the Clutha River.