This ski town is the largest in Summit County, in the US state of Colorado, and hosts Ullr Fest every January. Where are we?

This ski town is the largest in Summit County, in the US state of Colorado, and hosts Ullr Fest every January. Where are we?

A Breckenridge
B Boulder
C Aspen

Breckenridge is the most populous town and county seat of Summit County. Originally a mining town, Breckenridge is now primarily a destination for winter sports. Ullr Fest, named after a Norse god, celebrates all things winter.

The correct answer is Breckenridge.