The traditional New Zealand camping ground is becoming more popular, both as a way to use annual leave, and as a business to own.
Research carried out for the Holiday Parks Association suggests one in five holidaymakers and tourists spend nights at a camping ground.
The association's chief executive, Fergus Brown, says it's quite clearly a fallacy that the camping holiday is on the way out.
New holiday parks are being opened, he says, and others are looking at increasing capacity, while there has been a drop-off in the number being bought for residential development.
The sector is worth $623 million a year, only slightly less than the wine industry.
Mr Brown says just 18% of the money generated by camping grounds is spent on accommodation, and the rest is spent in the surrounding community.