Tigers, bears and elephants are the largest animals in the park.
Tigers have killed people on Sumatra in recent years, so be sure to stay with the rangers and local guide.
fees/permits
You will need a permit signed by the head of Tesso Nilo National Park, and you will have to be accompanied by a ranger.
The permit will cost about 45,000 rupiah.
You will pass through two military check-points on the way in, requiring the letter and the ranger.