คำตอบที่ 2
Two weeks ago, the dirt road from Km 27 to Pilock was OK until we almost reached the waterfall. Then there was muddy water about 20 metres long but we passed without problem (AT tyres). Just go slow or swerve to the right for dry land.
Go past คอกวัว and find a shallow place to cross the creek. Turn left again and drive upstream til you see a wide open space with small rocks.
50 metres up will be the waterfall. Forestry official said if in mid-rainy season, that mud will be difficult to cross.
Be careful a narrow way which has mountain at right and drop off at left but 4Wheels people made the lines to go through already. If not, it will be really easy to slide off to the creek below as the road is slant to the left.
Next week, I will have another update from K-Outback group if you want to know.