A group of school children and adults who camped at a local farm in Washington state developed Campylobacteriosis. There were several animals at the farm (i.e., chickens, turkeys, cows, goats), but no bacterial pathogens were isolated from the stool of the animals. Fecal coliforms were found in one water sample, but this water supply would not have been the usual water supply for campers on the farm property. The source of the outbreak was not confirmed.