Renew your Explore Biltmore Twelve-Month Pass and continue to receive all the benefits of a Twelve-Month Pass, plus access to estate bicycle trails and discounts on selected outdoor experiences for you and one guest. Passes are valid one year from date of purchase. When you submit your order, please include numbers and names for each pass you are renewing in the notes section at the bottom of your order. Please allow 24 hours for your pass to be processed. To learn more or to purchase by phone, call 800-624-1575.