Riverstone Manor Walnutport, PA - Assisted Living Community size: Large (26-100) Get Prices & Availability (800) 341-4753 Office Riverstone Manor is an angelic assisted living community in Walnutport, Pennsylvania. It is within likable Northampton County which is part of the Keystone State. + Read more Share this listing: Walnutport Senior Services Near Me None Listed Walnutport Senior Living Near Me