Finlay Park on the shores of Karapiro near Cambridge is a Baptist run adventure camp that offers adventure camping for school aged kids each holidays. Have a look on the Finlay Park Web site for the dates of the next camps. If you are looking for a place for a Church Camp (or any other adventure camp) they would love to help you run a successful adventure camp.
Pray for the camps and the kids that go that they might have an encounter with God while they are there. Also Pray for the staff that are involved in the camp, there role is not a 9-5 job and they have so much to do, so many kids to look after and also need time for themselves.