Muskegon Luge Adventure Park's 1,400 foot dual zip line glides over a Lake Michigan sand dune and through the white pine and oak forest inside Muskegon State Park. (Photo Courtesy of Adam Alexander) Adam AlexanderMUSKEGON, MI -- Glide over a Lake Michigan sand dune as you race alongside a friend on this dual zipline experience in Muskegon. Muskegon Luge Adventure Park’s 1,400 foot dual zipline is open for three more weekends. Inside Muskegon State Park, the zipline experience is open until Oct. 19. As a seasonal special, Muskegon Luge Adventure Park is running discount zipline packages until the very last day, starting at $26 for one run.