Business Details Reviews 5697 Strasburg Rd, Gap, PA 17527, United States 717-663-9515 Website 4.9 ★★★★★ (45 Reviews) Featured review: "Peaceful, beautiful place for a family, couple or church retreat in Amish country. Merv and his team are excellent hosts. I enjoyed each of my visits to Twin Brook Retreat and can recommend it without any reservations." - Heinrich B.