John S. Glas Fieldhouse is a 2,399-seat hockey arena in Bemidji, Minnesota, United States. It was home to the Bemidji State University Beavers men's and women's ice hockey teams until October 2010. (The men's and women's teams play in the Western Collegiate Hockey Association.) The building, a part of a larger fieldhouse which contains the BSU Gymnasium and other athletic facilities. It was opened on November 17, 1967, and was dedicated on February 10, 1968. On October 1, 1975, the building was renamed in honor of John S. Glas, the acting president of the university at the time of the building of the arena.