The Eastern Collegiate Women's Hockey League (ECWHL) is an American Collegiate Hockey Association Women's Division 1 club level hockey-only college athletic conference for women's hockey teams. It is one of four ACHA Women's Division 1 conferences, along with the Central Collegiate Women's Hockey Association, the Western Women's Collegiate Hockey League, and Women's Midwest College Hockey. Primarily, the league has been concentrated in New England and Upstate and Western New York, with eleven of its thirteen members over fourteen seasons based in those areas.