DCHP-1 Online
slide course 
the part of a mountain side over which an avalanche or landslide has passed, recognizable as an area bearing a growth of grass and shrubs rather than trees.
See also: slide (def. 2b)
- 1956 He saw a blur of white up one of the these green slide courses and recognized it for a mountain goat.
- 1956 He saw a blur of white up one of the these green slide courses and recognized it for a mountain goat.