Trip by Car: From Bangkok, take Highway No.340 (Bang Bua Thong - Suphanburi) to separate into Amphoe Derm Bang Naang Buach. Distance of about 150 km, then turn left approximately 33 km, then turn right again onto Highway No.733 towards downtown Amphoe Dan Chang. Distance of about 40 km.
Amphoe Dan Chang the route 333 (Dan Chang - Baan Rai) to another 15 km will found junction to Wang Din house into the Par Keed House at 15 km (the asphalt) and then with gravel road. From Par Ei house to Phu Toei National Park, 3 km and then take a trip to mountain use 4WD car into the village of Karen Ta Pern Kee and walk into the place.
Data and Photo by http://travel.thaiza.com/
Google map (Phu Toei National Park)