Drew has drawn our attention to there not being reservable campsites on either Barred Owl or Nod Lakes, when in reality three campsites exist on these lakes .. see https://allofalgonquin.com/campsite-reviews/barred-owl-lake-site-1/
In documentation from the previous 2012 Algonquin Park Reservation Zone system, there's a reservation zone recorded as #522 which was incorrectly labelled "Lod and Bared Owl", with the accompanying comment "Nod and Barred Owl - are proper names". The zone is described as having 3 campsites, 2 of which could be reserved at any one time.

As Drew indicated, zone 522 wasn't included in the development of the redesigned online reservation system. I wonder if that reservation zone could be reserved verbally over the phone? Is anyone aware of other campsites "orphaned" out of the online reservation system?

Off hand, I can think of Robin Lake (NE of Crotch Lake) on which I visited a "signed" campsite many years ago .. which doesn't appear to have been associated with any reservation zone in the 2012 documentation.

If there are a substantial number of such "orphaned" campsites, we may collectively have a concern to try and get them re-introduced into the reservation system!