Harpoon Octoberfest is an annual beer festival held in Boston, Massachusetts, celebrating the flavors and traditions of German-style beers. Hosted by the Harpoon Brewery, the event typically features a variety of craft beers, including their popular Harpoon Octoberfest lager, which is brewed with traditional German ingredients. In addition to beer tastings, the festival offers a lively atmosphere with live music, food vendors serving German cuisine, and various activities for attendees. It usually takes place in the fall, attracting both locals and visitors who enjoy the festive spirit and community vibe of this seasonal celebration.