Hi there. I'm not from Kristiansand, nor am I living there, but a friend of mine lives in Grimstad, and thats not very far away. He's paddling with some guys from Arendal. The club is called Nidelva padleklubb. Their web address is
home.no.net/nipk/npk/ and email
[mail address protected from spambots with javascript]
Hope you'll get in touch with them!
Bare hyggelig
Harald