The only reason I guessed Lane Cove is because I vaguely remembered the hint you mentioned from DuFresne’s book. I pulled out my tattered copy and found the Lane Cove write-up.
Good choice for a pic. You had us all stumped.
This new one will be, perhaps, a bit easier. Only hint I’ll give is that there are shelters at this campsite.
Although I haven't visited this site, Beaver Island?
"And standing on the the crest of the Greenstone Ridge, I suddenly had this desire to retreat north to where I just come, to stay in the backcountry, to spend another day in a place where the only deadline I had was to pitch the tent before dark."
Jim DuFresne