Rimrock Auto Arena at MetraPark

Rimrock Auto Arena is a 12,000 seat multi-purpose arena in Billings, Montana, USA. The arena was completed in 1975 and named Yellowstone METRA. The acronym stood for Montana's Entertainment, Trade and Recreation Arena. Later the entire fairgrounds surrounding the arena was named MetraPark, and the arena became MetraPark Arena. It is owned by the city of Billings, Montana and Yellowstone County. In 2005, MetraPark Arena marked its 30th anniversary. The arena hosts a variety of local sporting, musical, and other events. It has also hosted professional sporting competitions.

Sports teams

 * Billings Bulls - NorPac Ice Hockey Team (home ice from 1993-2006, hosted two games in the 2007-08 season).
 * Billings Bighorns - Defunct WHL Ice Hockey Team

Name change
On February 21, 2007, Rimrock Auto Group announced a 10-year, $1 million naming rights deal for the arena. Beginning July 1, it became known as the Rimrock Auto Arena at MetraPark.