The minyon falls walk is spectacular but unfortunately it's closed at the moment due to a bushfire that was lit by mindless vandals about three weeks ago. The latest news story is
hereTo add to awildland's suggestions you could go try Goanna Headland at Evans Head, the walk around Cape Byron and the lighthouse at Byron Bay, Rocky Creek dam is nice, Protestors Falls at Terania Creek, Broken Head Nature reserve, or if you can drive I'd recommend checking out the Border Ranges, there's a few nice walks up there too.
ALWAYS be yourself.
Unless you can be outside, then ALWAYS be outside.