Khao Yai from Bangkok, which is not much, just 3 hours only. Khao Yai National Park, it's a really big name, because it is covering 4 provinces of Nakhon Ratchasima, Nakhon nayok, saraburi, and: prachin buri.
He is not very far from Bangkok, only 3 hours Khao Yai National Park, it is a big name because the four provinces, covering an area of Nakhon Ratchasima and Prachin Buri, Saraburi together.
Khao Yai, which far away from Bangkok, not much, just a 3 hours only.The park is the first name. Because of the 4 province together is to Saraburi, Nakhon Nayok province and Prachin Buri.