Layered clothing is a must for hikers visiting Guadalupe Peak due to the unpredictable temperature fluctuations throughout the day. Additionally, hiking gear, sunglasses, sunblock, water, a first aid kit, and emergency communication devices like a beacon device should always accompany visitors. The high altitude dangers such as wind, sun, snow and frostbite make carrying proper gear a necessity. Moreover, due to a lack of sufficient shelter, additional waterproof sleeping gear should be carried as well. Show more