No problems crossing the border - we'd heard of RV's being searched and much food thrown out but we were hustled across in minutes and only asked about beef products and non-North American fruit which we knew not to bring.
We arrived at Acadia National Park before the rain did so we got ourselves quickly out on the Park Loop Road to see as much as possible in dry weather. This park is amazing with enough to see and do to stay busy for weeks. The park is so like the Canadian National Parks we've been visiting with tiny coastal towns surrounded by the park providing restaurants, camping, hotels, shops, harbors and boat tours.
My birthday dinner was at the lovely Jordan Pond House, familiar I am sure to anyone who has been here to Acadia. Their popovers with blueberry jam are something to not miss in Maine, right along with the lobster and crab cakes. I was hoping to see a birthday moose but was not disappointed with the four deer that crossed the road right in front of us as we drove through the thick forest to dinner. Nice night out!