"sarupo iko se nak ambo alah bajalan pula ka arah Sungai Nanam kalau ambo caliak tampek tu sangek rancak untuak di buek gunuang, dan di alahan panjang ko ado pulo tigo bukik jadi katigo bukik ko bia lah niniak pindahan se ka Sungai Nanam untuak di jadian gunuang.
you can see from the map (scroll down a little on the link) it crosses three mountain ranges, (that's where the good stuff is at).