The number of tourists looking for trekking during the holidays. Krabi Eco Cycle overlook the needs of tourists who enjoy outdoor adventure and a desire to offer new attractions to the visitor has the impression in a short period of time. Khao Hon Nak is the future. Khao Hon Nak is a steep limestone mountain look like crest snake located on the north-west of Aonang about 15 kilometers at Tubkaak beach. Trail is located in the area of National Nopparattara Beach - Phi Phi Islands. Rich of forest resources and wildlife with high biodiversity. Hiking trails lead us to a vantage point high up to 565 meters above sea level, with a distance of 3,700 meters and is about two and a half hours under the shade.