The Pai River Lodge is located right on the river front near the Bamboo Bar Bridge. If you come out of the bus station, turn left and walk down to the Soi One Corner Plaza complex and turn right.
Walk along the road until you come to Buffalo Hill located on the other corner. At this point cross the road & walk down the small lane that runs past the side of the school. The Pai River Lodge is the second resort on your left. The accommodation here is very simple. Bamboo Huts by the side of the Pai River. The great thing is that the bar & restaurant are brilliant, the rooms are only 150 Baht per night and you get to hang out with this motley crew of very cool hippie dudes from the resort.