The national park has three climbing treks: The Pinnacles Summit Trek, The Headhunter's Trail, and Gunung Mulu Summit Trek. The Pinnacles Summit Trek is a 3 days/2 nights trek leading to the view of the Gunung Mulu Pinnacles. The trek is usually starts with a one or two hours boat ride from Melinau river to Kuala Berar (Berar delta).