Suz wrote:Peter, have you done all these? "walks on the East Coast (eg Freycinet, Maria Island, the Leeaberra Track); not to mention some wild west coast wandering (eg the Tyndalls, Tarkine Coast etc). Happy planning!" Did you enjoy them?

Yes Suz - I have done them all bar any overnight walking in the Tarkine. Each one has its own good points (and none really has any bad points!) Here's a quick summary:
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Freycinet Circuit: Beautiful coastal walking, with granite mountains, amazing pure sand beaches and lots of wildlife. Allow 3-4 days. Mostly easy walking, but best done out of the high summer season (can get very hot, and water becomes an issue). I've done the walk a few times, most recently with the (luxury) Freycinet Experience Walk. I'm writing it up in my blog, which should give you the flavour. See
http://www.naturescribe.com/2015/05/freycinet-experiences-1-schouten-island.html and newer posts after that.
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Maria Island: An island that has it all; history, beaches, wildlife, mountains, cliffs, geology etc etc. I've explored a fair bit of the island on foot and by mountain bike. Spend a few days there, making sure you get to the Isthmus and beyond - onto South Maria, as well as the beautiful cliffs, beaches etc around Darlington (North Maria). It's good at any time of the year. Again, if you want a snapshot of one of my experiences there, I've blogged about it here:
http://www.naturescribe.com/2013/11/the-bishop-and-ballerina.html*
The Leeaberra Track: Forests, waterfall, beautiful river-side camping, and not very often walked. There are access issues to the start of the track, which adds a few hours to the walk. Walking is mostly easy, but there are one or two parts of the track that are tricky to follow. Allow 3-4 days. Again I've described my experience here:
http://www.naturescribe.com/2011/10/good-walk-spoiled.html and newer posts after that.
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The Tyndall Range: A little-walked range north of Queenstown. Access is a little obscure and weather can be very "west coast" (ie wet!) but the walking is open and easy once on the range
AND if you have visibility. Camping options are many, mountains include Mt Tyndall and Mt Geike. A must-see feature is the glacial cirque lake, Lake Huntly, which is gobsmackingly steep, and sneaks up on you as you wander across what looks like a level-ish plateau.
As for the Tarkine, do a search here, or maybe ask stepbystep - if you're ready for LOTS of details
I hope that coaxes you into trying some of the non-southwest options,
cheers
Peter