I have just had a weekend at the Clarence river Wilderness Lodge - kombi camping. http://www.clarenceriver.com/ It was a 400 km round trip from Brisbane and used 46 litres of fuel. About 30 of graveled roads each way and that last 7 km on the property was very rough. My travel companions - who towed in camper trailers - used low range in their 4WDs up and down the steep climbs. This is not a place for lowered kombis! Saw some rock wallabies, 2 snakes and some large goannas.