Bowdoin station (/ˈboʊdɪn/ BOH-din) is a Massachusetts Bay Transportation Authority (MBTA) rapid transit station in Bowdoin Square in Boston, Massachusetts. The station is the downtown terminus of the Blue Line, part of the MBTA subway system. It has a single wedge-shaped island platform located inside a balloon loop. Bowdoin is the only Blue Line station that is not accessible.