Ring the showgrounds in the towns. Most do camping at $10 to $16 a nite per site.
John Sharpe Park outside Canungra. $5 a head per nite but no showers but the publican puts on a free bus to the pub n back whenever u want on Thurs/Fri n Sat Nite.
Coochin Creek. Roys Road Beerwah north of Brissy has a small one which is good but small. Again swimming hole done up. $5 a nite. But mossies n hoons on a Saturday nite stuff it up.
Peaches Tree which is national park but u can have a fire, is $5 a nite . Done up the swimming hole but General Store closed so take all ya stuff. 40km noth of Kilcoy it is.
Maidenwell out west near Yaraman which has a pub n store. Camp behind the pub for nothing. Observatory there at $25 a adult to use. Has showers. Good swimming hole down the road.
Plus theres a few down Beudesert/Rathdowney way that are nice.
Kenilworth n Imbul have some good spots.
South end of Somersett Dam is ok . General Store across the road.
Free on at Chinchilla out of town on the weir. But no showers
Dalby 30km west is Broadwater Camping Area. Isolated but all new showers etc. No shops tho. But if ya kids wanna see a million dingaling n duck n enjoy the outback thats a place.
I AM LIKE A HOLE IN THE GROUND WITH WATER IN IT - I AM WELL