hurried
steep
abrupt
accident-prone
acclivitous
arduous
bluff
bold
breakneck
breathless
careless
cliffy
craggy
declivitous
desperate
devil-may-care
electrifying
furious
harum-scarum
hasty
headlong
hotheaded
impetuous
impulsive
mad
nerve-shattering
orthodiagonal
orthogonal
overeager
overenthusiastic
overzealous
panting
perpendicular
plumb
plunging
precipitant
precipitate
quick
rapid
rash
reckless
right-angle
right-angled
right-angular
rushing
desolate
eastern
icy
impassable
inhospitable
lofty
mountainous
perilous
rocky
snow-covered
uneven
volcanic
woody
Serendipitous
serendipitous
gentle