if the Grand Canyon was created by water erosion from the Colorado river, then how come there isn’t grand Grand Canyons around all or most major rivers?

Question

if the Grand Canyon was created by water erosion from the Colorado river, then how come there isn’t grand Grand Canyons around all or most major rivers?

In: Earth Science

Answer 1

The river that formed the Grand Canyon was both bigger (aka wider and deeper) and occurred over a much longer period of time than most other rivers.