chute
A steep cliff about 100 stories high is commonly referred to as a "sheer cliff" or a "precipice."
The steep side of a dune is called the slip face. It is the side of the dune where sand grains are deposited as they slide down due to gravity.
A steep face of a plateau is called a escarpment. An escarpment is a long, steep slope, especially one at the edge of a plateau or separating areas of land at different heights. It is typically formed by erosion or faulting processes over time.
A ravine.
A deep steep-sided valley formed by weathering and erosion is called a canyon. Canyons are typically formed by the gradual wearing away of rock by water and wind over long periods of time, creating a deep, narrow valley with steep sides.
We used to call that a toboggan run!
chute
chute
A motorized toboggan is commonly known as a snowmobile or a snow machine. It is a vehicle designed for winter travel over snow and ice.
Its called a toboggan
A light toboggan is commonly called a sled or a snow saucer. It is a type of winter recreational equipment used for sliding down snowy hills.
luge
toboggan
let me try it
A toboggan is a kind of sled.
Toboggan is the word you are looking for. A toboggan is a simple sledge (or sled). It has no runners or skis on the underside and is just used on snow.
I'm lucky that I only got dinged by my toboggan when I crashed it. Sorry, this toboggan ride is reserved for me and my gal. I'm building a toboggan in my garage!