across
activity
beautiful
bridge
countryside
cross
crossing
curve
flow
flowing
foot
footpath
green
hard
hiking
ladder
landscape
line
move
natural
nature
nobody
obstacle
old
outdoor
outdoors
over
passage
pathway
raised
river
rock
route
scenic
simple
stability
step
stepping
stone
stream
surface
tourism
travel
view
walk
walking
water
way
wet