We'll get this right out of the way first: Winter hikes are no joke. The key is layering -- we're talking long underwear, fleece and down. And cotton? It is to be avoided, even in your gloves and socks. (It takes a long time to dry and can lead to frostbite. Who wants that?)

But now that attire is out of the way, let's get to what you really came for: Ten amazing winter hikes near St. Louis. With varying difficulty levels and distances from the city, you're bound to find one that's right for you.