When visiting Devils Tower National Monument in 2026, your attire should depend on your activity level and the unpredictable Wyoming weather. For the popular 1.6-mile Tower Trail walk, wear sturdy, closed-toe walking shoes or hiking boots, as the path is paved but can be uneven. Layers are essential; even in summer, early mornings are chilly, so a lightweight fleece or windbreaker is necessary. If you are one of the many technical rock climbers ascending the 860-foot monolith, a climbing helmet is "strongly recommended" by the National Park Service due to frequent rockfall. Additionally, wear UV-protective clothing and a hat, as the high-altitude sun is intense. Avoid wearing loose jewelry or scarves that could snag on the terrain. Because the site is sacred to many Indigenous tribes, visitors are also encouraged to dress respectfully and avoid climbing near or touching prayer cloths tied to the trees surrounding the base of the tower.