The phrase "steep face" is correct and usable in written English.
It is typically used to describe a physical feature of a landscape or structure that has a sharp or steep incline. Example: The mountain was difficult to climb because of its steep face, but we were determined to reach the summit.
Riesch was timed in 1 minute 51.80 seconds over two runs down the steep Face de Bellevarde course.
I followed him along the narrow walls of the trenches, sliding down the steep face toward Bushire's house.
Two intermediate trails wind down Bohemia's steep face, but otherwise the resort's runs are black-diamond and more difficult.
The first turn on a steep face is the worst — it always causes my stomach to knot up — but I bent my knees, relaxed and pointed downhill.
Like an ocean wave, the wake generated by a boat configured for wakesurfing creates a steep face between its peak and the flat water below.
A very decent blast out, over a steep face 30 yards from the flag, and his ball ends 12 feet from the pin.
It is great for beginners, intermediates and ski-tourers, and what it lacks in steep faces it makes up for in sunshine and snow.
This, in turn, leaves very steep faces which fail under increased pore-water pressure.
Many seedlings had established on the bare ground and less densely vegetated steep faces between formed animal tracks.
Although not quantified directly in the current study, considerable skid damage was evident on steep faces between animal tracks, resulting in a greater proportion of bare ground on steep slopes compared with flat sites.
Their results suggest that wave runup and thus flooding potential is highest for those coasts fronted by narrow reefs with steep faces and deeper, smoother reef flats.
