Hikers Walking To The Top
The poles are setup to keep "backcountry" skiers in serviced terrain so they don't get stranded on some cliff with no snow benieth them. In the summer, they are just an eyesore.
Some Cinquefoil
My bad - turns out it's a species I've seen before, but always at the beach! This plant seems to like to live in the hardest places - rock, little soil, difficult conditions.