Teijo
The Teijon retkeilyalue, is a nice area with a lot of fireplaces, lavuu, luontopolku. You can camp close to the Matildanjärvi. There is also a big parking place for camping car (see map below).
You will find a lot of very useful information here.
Teijo - hiking map
Outdoor map : Teijo outdoormap 1:20 000, 2005