"Experiencing record or close-to-record visitation, this park is busier than usual during summer, which can strain parking, shuttles, and visitor services. To avoid disappointment, arrange lodging and permits months ahead, consider lesser-known trails, and prepare for limited on-site amenities due to staffing shortages." - Stephanie Vermillion Stephanie Vermillion Stephanie Vermillion is a travel journalist and photographer covering culture and adventure for Travel + Leisure Outside, and more. Travel + Leisure Editorial Guidelines