Question

why has the yakima river been referred to as treacherous.(deep water )​

Answer 1

Answer:

The Yakima river had been referred to as treacherous because it was very ferocious. Many people had drowned there while bathing and swimming. When the narrator expressed his wish to learn swimming in the river, his mother warned him against learning swimming in the Yakima river as many people had drowned there while bathing and swimming.

Answer 2

Explanation:

The river was treacherous because it is very unsafe to swim in that river. His mother warned him against the same. There are many people who had lost their lives and drowned in it while they were swimming.  

Douglas's mother repeatedly told him of each incident and she always kept him away from going to the deep river. Since there were many incidents, the river been referred to as treacherous deep water.