A couple of things I should have mentioned. Umbagog is map 8 and Saranac lakes ate map 2.
A third trip you might consider is the West Branch of the Penobscot from the North East Carry to Chesuncook Lake. This logistics on this trip would be more challenging. It’s on Map 11.
None of these trips have any portages, the first two require campsite reservations, Umbagog and the Saranac lakes do not require shuttles.