Westin Hotel Location 70 3rd AveWalthamMA02451 Next Event Accelerate Dance Experience - Waltham, MA - March 27, 2026 - March 29, 2026 - All Day Loading Map.... 70 3rd Ave - Waltham View Events 42.394878 -71.259836 Upcoming Events Accelerate Dance Experience - Waltham, MA - March 27, 2026 - March 29, 2026 - All Day