Anyone who's ever run a fast river knows how much skill and daring - not to mention muscle - are required.

It was like floating on a fast river of water.

At its mouth, it is a fast tidal river.

It is quite a fast flowing river with many small waterfalls and deep pools.

They are generally found in fast flowing rivers and deep lakes.

This part of the country is wild, with woods, lakes, and fast rivers.

The land is mostly mountains, with fast flowing rivers and few forests.

Water- A fast flowing river was the location for this station.

The whispering increased slowly until it was like the rushing sound of a fast river.

He flowed like a fast river current over the top of her.