The Kapuas River is narrow (about 50 m) and very winding in its upper stream.
Resident cutthroat and rainbow trout are abundant in upper stream reaches.
He dove forward into the upper stream and, kicking his feet occasionally, propelled himself along the corridor.
The pH of the upper (natural) stream is in the range of .8.5.
The river has snow feeding and dries up in the upper stream.
The main water system ranges from the upper stream of the 23.7 km long Namhan River, which flows through the county.
"They say that where the upper stream is clean, so is the lower stream."
In the upper stream, the river is mostly fed by glaciers and high-mountain snow (49%).
The village is situated in a mountainous region, on the upper stream of the Lom River.
The upper stream lasted long enough, just barely, to save them a lot of hard work.