Cinematic 4K. A mountain pass is a route through a mountain range or over a ridge. Since many of the world’s mountain ranges have presented formidable barriers to travel, passes have been important since before recorded history, and have played a key role in trade war migration air car highway landscape mountain mountains pass road summer tourists travel holiday view forest valley slope motorway freeway expressway autobahn superhighway flat curved path bend curve twist line busy road running in service mountainous hilly highland mountainy 3840×2160 UHD 4K 30 fps.