Queensland National Parks

For someone from Victoria presumably coming up the inland; Carnarvon Gorge NP is the most visited NP away from the coast, Lawn Hill I think is special, a real Oasis. Diamantina Lakes will give you a real taste of the channel country and you can roll onto the Dinosaur belt around Winton.
You need to specify better what your interests are (beaches, the outback, fossicking, bushwalking, bird watching, seeing the reef and or rainforests. Qld is quite diverese

Here are some thaughts.
a there are un powered sites that I recon you would get an 18 fotter into in the national park camping area in Lamington natianal park....just down the road from O'Reilly's guest house.
Rainforest, walks long and short, treetop walkway...and a pretty decent meal up at the guest house if it takes ya fancy.

a stiff days drive and you can be in the Cooloola national park with a choice of places to camp...as long as you can negociate the sand.....camp beach side with no facilities or up a freshwater with civilised toilest and hot showers.

Havn't been into national parks in the next area, but there is paradise and good night scrub...if you don't wish to chase barra at Lenthels or awonga......plenty of caravan sites and sealed roads in there.

Another good days drive and you can blow thru Mackay and make a left turn and be at Kenchant dam caravan park.
sites so close to the water you will want to check ya handbrake a second time
Barra fishing, licenced bar.....good day drives out to broken river, Eungala and such...fishing, walking wildlife.

get out there realy and you can be in townsville by afternoon smoko.

south of townsville there is aligator creek camp ground......crystal clear fresh water creek, swimming, walking.

North of townsville there is crystal creek large and small...camping at large.creek swimming.

If you want to head up the hill to Paloma...it will be hard work with a van..realy twisty and steep.....2nd and 3rd gear in the wifes RAV traveling light and 2 up.......but there is ome stunning stiff up there.

cant help you north of there.

cheers

Might want to check the O'Reilly's option with a caravan, we were there 2 weeks ago and had a drive around the camp ground checking out potential Camper trailer sites, all I could see were campervan (not motor home) sites, Kombi stize
But Lamington NP is certainly fantastic.

yeh its mostly small tent and campr trailer sites, but there are one or two I have seen bigger things in.

You would want the pick of the one or two viable sites, so I'd not just try rolling up in peak times

There is a site you will definitely get an 18 fotter into on the border track but it is actually in NSW....name escapes me at the moment

cheers

"The thing to remember when going to Qld National Parks is this archaic rule requiring you to book ahead for your camp spot. It doesn't guarantee you a spot, or anything else. You probably won't see a ranger, and there's no guarantee that when you get there there will be a spot even if you have booked one, but it makes some Queensland public servant happy that he dreamed up the idea."

The trouble is OBJ, they're quite happy to take your money in advance .... just not provide the service. Lawn Hill springs to mind.....