The Senior National Hockey League (SNHL; also referred to as the Sunday Night Hockey League) is the senior men's competition in Mexico. It is divided into five divisions of six teams apiece and promotion and relegation exists between the divisions. All games are played at the Ice Dome CDMX. The league features summer and winter seasons. The Liga Mexicana Élite served as the national ice hockey league in Mexico during the 2010-11 season.