TF2 Winterfest, formerly known as Aar's TF2 Winter Maps Festival, is an annual celebration of festive and chilly custom Team Fortress 2 maps. The event was livestreamed over on Aar's Twitch channel on:

December 16, 2021 @ 7:00 PM ET

The map rotation was:

Doublefrost (Deathmatch) Frostpit Snowfort (Deathmatch) Badwater Snowy Snowshore Shelter Arctic

Download the Content Pack [Mirror] (Updated 12/13/21)
(You may have to install 7-Zip to extract it)