cp3, that story did ring a bell! I went to the archive and in the search box typed in "camping." Here you go
http://www.lcfanfic.com/stories/true.txt I'd also recommend Camping With Clark by Kathy Brown
http://www.lcfanfic.com/stories/camping.txt. Yes, there's also an n-fic version if you are of age and interest.
Mona