There's plenty of sites around sydney that meet that criteria, and whats wrong with going camping and making a lot of noise if your not bothering anyone else? At least their not planning to set up camp in the middle of a family caravan park.
Check out Newnes State forest in Lithgow, or Mt Wattagans on the central coast for a start. Plenty of secluded places you can find there where you'll be on your own.
Life's too short to be grumpy, SMILE
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