During the late 19th and early 20th century, 30-foot battery and steam powered boats traveled the canal for leisure and business, contrasting greatly with the 90 foot mule-drawn cargo boats that usually dominated the canal. Today, enjoy a free one hour replica boat program in Williamsport, Maryland; including riding from the historic Cushwa Warehouse down to Lock 44 and back. Tours are limited to 12 people. Animals are not allowed, with the exception of service animals. Inclement weather may cause tours to be cancelled; call the Williamsport Visitor Center for updates. Reservations are taken seven days in advance, starting in the spring of 2019.