The Rio Frio Ice Fest in Alamosa is a frosty celebration of winter fun and one of the coolest Colorado things to do this season. On January 24, 2026, the San Luis Valley transforms into a winter wonderland with exciting activities.
The signature Rio Frio 5K invites runners to dash across the frozen Rio Grande River, while ice sculptures, an ice carousel, and the daring polar plunge add to the festive vibes. Bundle up and join in this unique blend of outdoor adventure and chilly charm.