Caching Through The Snow is a really fun activity to do in the winter time, especially if you have kids. You start at the Visitor’s Center at Custer State Park and they show you what to do. You need to either use your phone or check out a GPS unit they have available for you. Then using a GPS and the coordinates, you walk outside around the visitor’s center looking for the caches. At each cache you get a part of the items you need to build an ornament. Once everything has been found, you return to the Visitor Center to put your ornament together. This took us less than an hour, and I was glad there was no snow when we did it. There was also very little people around, and we were the only ones doing the activity. We did have some mountain sheep and a buffalo that was in the area, so at times we had to walk around them, so use caution.