This is definitely not snow. Here we have Mammoth Hot Springs where the calcium carbonate deposits build up in shelves of beautiful white travertine terraces.
Of course, if you want some cool (or should I say cold) white or blue-white, you can always look for some ice broken off of an Alaskan glacier:
Thanks to Nancy Merrill Photography for sponsoring this weekly challenge. Follow the link to see other great entries in the “White” challenge.