 The loss were only 100 yards away from the needle's eye, but the abundance of rock formations in the area can cause one to lose their bearings. To complicate things, going down rocky terrain when it's dry is one thing, but trying to come back up when it's wet is another. Black Hills weather can present all four seasons in one day. It's always a good idea to bring plenty of water and even a small backpack with extra rain gear just in case, as well as checking the weather forecast before venturing out for the day.