The Annual Indian Creek Halloween Walk will be held October 19th & 20th, 2018. Reservations for camping during the Annual Indian Creek Halloween Walk at Mark Twain Lake will be accepted starting June 6, 2018 at 9 a.m. You must decorate your site in order to camp in the event area. Reservations can be made through the centralized reservation system website at www.recreation.gov or by calling toll free at 1-877-444-6777.