The highest point of the road, Khlong Lan - Umphang and is the final vehicle access. The average annual temperature is below 20 ° C, this area just as the spot where the wind blew all the time. The cold box is the habitat of bird species. It is the view of one of Thailand's major.
Is the peak of Canal Street yard - umphang. And the last point vehicle access. The annual average temperature is lower than 20 C. This area is the gorge with the wind blows all the time.It is the source of one of the important bird in Thailand.