When camping in winter, it is essential to plan how to keep your water supply safe and accessible. So, here are a few tips Invest in a good quality water bottle or hydration system that will not freeze quickly. Many insulated options are available to keep your water from freezing solid, even in frigid temperatures. If possible, carry your water in a thermal sleeve or pack. It will prevent it from freezing. You can also place your water bottles inside your sleeping bag to prevent them from freezing at night.