Alpine Grove Banquet Facility Hollis, NH Other Attractions Silver Lake Flea Market Come out an find your treasures. We are located on Rt 122 in scenic Hollis NH. We are open every Sunday April 15 thru Nov. 4 Hollis, NH Other Attractions Hollis Times Hollis, NH Other Attractions Overlook Golf Course Hollis, NH Golf Courses Alpine Grove Banquet Facility Hollis, NH Other Attractions