No, it's not the best route. It would take about 8 hours and involves a long, winding section along the Lyell Highway. If you were contemplating going from Longford through Cressy, Poatina, Miena and Bronte, it also involves 30km of appalling dirt road. Do not go that way.
There are three much shorter routes from Launceston to Cradle Mountain:
3. Head all the way up the Bass Highway to Burnie, then through Ridgely and down the Murchison Highway to the Cradle Mountain turnoff. This is a little longer than the other two, but involves almost no narrow, winding roads and is the best route for a van.
I agree with Luigi's comments on the routes, especially the Derwent way you mentioned.
Route 1, does have more winding road, but the main segment of road which is a concern is road from Mole Creek to Paradise, this segment is called Gog Range and is narrow and winding and is frequented by logging trucks, still many vans do this route.
Route 2, I live near route 2 and vans and campervans of all sizes do this route every day without any problems. The winding road mentioned is approximately 12 kilometres in length but very doable, if time and due caution are observed you will have no problems.
Route 3, is much less winding and wider, but close to 1.5 hours longer than the other 2 routes.
Safe travels - Robert
Route 3 is about half an hour longer, Rob. :) And much, much easier with a van.
Thanks Luigi & Rob for your help. I am very glad I asked the question. Will save us a lot of time.
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