Canyons are formed when water flows over a piece of land for a long time, millions of years even, eventually causing a canyon, which is what happened when the Grand Canyon was formed.
Some people think that rivers form canyons, but in fact, the canyons form the rivers
Canyons are found in many deserts around the world.
canyons
steep canyons can form when down cutting is slow or fast
the grannd canyons
by under ground
wind cannot form canyons but it can shape an carve through them.
the grannd canyons
There are only a few types of canyons. These are river canyons, mountain canyons, and canyons that were formed by weathering and erosion. +++ Very few types indeed. One in fact! All canyons are formed by weathering & erosion; and all are or were river canyons irrespective of mountains. The requirements for a canyon or gorge to form are a high plateau catchment area feeding a large river for sufficiently long for it to cut back from a steep rim.
Utah has so many canyons because when glaciers came through Utah it left the ground in the form of a canyon. rephrased:there are so many canyons because of the glaciers
The Marianas trench .
The submarne canyon is very steep-sidded.