Khao Ang Rue Nai is a conservation zone covering 643,750 rai area in the Eastern Forest Complex - the last abundant piece of forest land of the East. It is the source of the Bang Pakong River in Chachoengsao, the Tanot Canal in Chanthaburi, and the Prasae River in Rayong. Geographically, the area is not very steep; it is about 30-150 m above sea level.
There are wild animals, such as elephant, gaur, deer, barking deer, banteng, porcupine, etc., and birds, such as Siamese fire back, great pied hornbill, etc. On this trail you will quite amazed by the amount of tracks from elephant, guar, banteng and deer - their comparative abundance is obvious and tracks are everywhere. There is a good chance of seeing mammals on this route in the early mornings and evenings
It takes about 3.5 hours from Bangkok. From Chachoengsao, take the Chachoengsao Phanom Sarakham route. From Amphoe Phanom Sarakham, follow Highway 3245 (Phanom Sarakham Sanam Chai Khet). Change to Highway 3259, past Amphoe Tha Takiap to Ban Nong Khok, for around 50 km. Take the Ban Nong Khok Sa Kaeos King Amphoe Khlong Hat route for around 20 km to reach the Khao Ang Rue Nai Wildlife Sanctuary Office and the Chachoengsao Wildlife Research Station.
To visit the wildlife sanctuary, a written request for permission should be made at least 15 days in advance to the Director of the Wildlife Conservation Office, Department of National Parks, Wildlife and Flora. For more information, call 0 2561 4292 ext. 658, 659 or contact the Khao Ang Rue Nai Wildlife Sanctuary Tel. 0 3850 2001.
Important facts
Length of trail :: 20 km to finish point on this file but goes much further Hiking time :: upto 8 hours (includes return) Difficulty level :: moderate (scale : easy, moderate, hard, ouch) Terrain :: Flat open creek clearings and mixed deciduous forest Minimum essentials :: 2 L water, food, rehyd salts
Maps :: Khai Ang Rue Nai Trail
Key::
Start = look for small turn in just after the KARN HQ (south of the road) and Chachoengsao Wildlife Research Station (north of the road) marked by a blue sign saying "1.5 km to resevoir" in Thai. you can also start the trail from the KARN HQ Creek - a jungle stream passing through the trail - nice place to relax
Khao Ang Rue Nai is a conservation zone covering 643,750 rai area in the Eastern Forest Complex - the last abundant piece of forest land of the East. It is the source of the Bang Pakong River in Chachoengsao, the Tanot Canal in Chanthaburi, and the Prasae River in Rayong. Geographically, the area is not very steep; it is about 30-150 m above sea level. 
