I took this day off of work to spend some special time with my dog before we had to put him down. He loved hiking and still had enough energy, so we went here to Twin Falls. I love this hike and have done it many times before, although not for the last several years. We couldn't have picked a more perfect day! It was sunny, clear, and so beautiful with the fresh-fallen snow from the day before still on the trees and the sun shimmering on the river (which follows along side the trail for the first bit). Even though there was that little dusting of snow on the trees and sides of the trail, the trail itself was clear and not even very muddy at all. We just went to the lookout deck to view the falls and then came back (I didn't want to overdo it with my dog). The trail continues after that and if I recall correctly, leads to another lookout area up above the falls. Anyway, we had a great time. I wasn't sure how it was going to be in the wintertime, but it was wonderful. Next clear day, you should go!
One word of warning about this hike- don't ever go much beyond the falls. Once I kept going to see where the trail finally ended or if it looped around or anything, but no- it just ends at a VERY LONG utility road. After walking along the utility road for about 10 miles (I'm not exaggerating), it finally came out by some parking area which was no where near the Twin Falls parking area. I finally had to have my mom drive out to rescue me!