National Trail offers 18 shelters available for reservation. Beginning the first business day in January you may reserve picnic shelters for dates from April 1 to October 1 (water and restroom facilities will be limited during the month of April). Shelters typically seat 48 and come with grills and picnic tables on site. Use our shelter reservation portal to find specific details on a shelter near you and make your reservation today. Shelters that have not been reserved operate on a first come, first serve basis.