There's something magical about being swept over by curtains of white flakes on a brilliant snowy day while sitting on the back of your horse (maybe bareback to keep your butt warm) and watching them melt on his neck ... speckle his mane ... cling to his eyelashes ...

Here's a really good article on how to give your horse more traction.

Get a Grip with Horse Shoe Studs (Equisearch). If you've ever wanted to give your horse more traction on slick surfaces--grass, "bulletproof" hard ground, mud--studs (also called caulks) could be what you need. Long considered routine for event horses, stud can also kelp a dressage horse keep his legs under him in ten meter circles in a test on hard ground, or prevent a jumper from slipping as he accelerates through the turns of a course, be it adult-amateur, junior jumper or grand prix.

Read it all.

Related link: Riding in the Snow