Many check dams tend to form stream pools.

The rock bass prefers clear, rocky, and vegetated stream pools and lake margins.

It is a stream pool, lake, or pond that is small in diameter, but deep.

There is also a natural stream pool surrounded by "Ketala" plants and fern.

Historically, stream pools were, to a large extent, created by beavers (see section below).

Reduced retention of the nutrients brought by the returning adult salmon in stream pools has lowered populations.

In this reach, stream pools, which tend to become stagnant during low flow periods, are abundant.

The silt has filled stream pools and caused higher turbidity, which has harmed fish.

His name comes from the Finnish word väinä, meaning stream pool.

The canyon features falls and stream pools with a well-maintained trail.