Words to Describe switchback

How switchback often is described ("________ switchback")

• third
• upper
• seventh
• northernmost
• wide
• big
• single
• gentle
• hand
• emotional
• lower
• splendid
• tight
• sixth
• huge
• ordinary
• right
• half
• second
• nearby
• northern
• steep
• eighth
• abrupt
• fourth
• short
• lowest
• giant
• atmospheric
• tortuous
• double
• marvellous
• occasional
• quick
• long
• narrow
• happy
• first
• next
• continuous
• rocky
• left
• alarming
• fifth
• final
• aerial
• major
• sharp
• brief
• last
• broad