Merrill House is located in Andover, Maine, approximately 1.5 hours off the Maine Turnpike. See map below for locations of summer and winter entrances off of Elm Street in Andover, and links for directions:
Directions from the Maine Turnpike exit #63 in Gray to the house in Google Maps: https://goo.gl/maps/dJXZw19wXvKETd1a7
GPS address for the upper driveway entrance: 44°38’05.2″N 70°44’15.0″W – Elm St, East Andover, ME 04226