The monuments state that "BOUNDARY AUGst 9th 1842" / "ALBERT SMITH, U.S. COMssr"
I was curious to see what sign was mounted on the Canadian side of the border signs, but not wanting to cross the border and risk undue consequences, I reached my iPhone across and took a 'selfie'... it's a National Wildlife Refuge boundary sign!
I would definitely come back to Eagle Point, to hike the trail again, and to paddle my kayak in the lake. Just offshore lies Eagle Island, and while I didn't see any eagles, the rocky shore was hosting massed flocks of geese, ducks, and cormorants.
CHECKLIST FOR EAGLE POINT, DERBY: