Today I booked a tour to cape tribulation, which is the further north. It was a very small group, only a norwegian family and me. We drove with a Toyota Landcruiser through the tropical rainforest. We have been mostly lucky, it was raining only during lunch, when we stayed under a roof and at the end of the trip.
The rainforest around Cape Tribulation is a world heritage and protected under the Unesco. We saw nice mangroves trees, a baby crocodile, some wild pigs, a nice lizard and some birds. This rainforest goes till the coast, where it touches the Great Barrier Reef, which is also a world heritage. This is the only place on earth where protected ecosystems touches each other. In Australia there are 4 of them, one is shark bay, which is at the western part and one is in Tasmania, where I also have been. So I saw 3 out of 4, which is not so bad...
The northest city is Cooktown. This is the end of the sealed road. If you go further north, then you will need a 4WD car. And you should also take care, if the rain season starts and you are still there than you can park your car there............ for 4 months.