Pukkelpop is a great festival to pitch a tent to. Camping prices are included in the festival ticket packages itself. There are special camping packages if you are a relatively inexperienced camper or seek some special experiences. Based on the campsite rules and regulations and other information you can plan your accommodation accordingly.
The festival location and its easy accessibility to the main city make accommodation in hostels and hotels easier too. Also, there are some hotels included in the festival packages itself. Check a few out: