A "switchback road" refers to a type of road or trail that zigzags or makes sharp, hairpin turns as it climbs up or down a steep hill or mountain. Full definition
Back in the 1930s, after authorizing the construction of six miles of switchback road up Akhun, Soviet ruler Josef Stalin scoffed at the suggestion by sycophants that a statue of him be erected at the top. (si.com)
From your luxury Wailea condo or villa, you can estimate a 2 1/2 to 3 hour drive through breathtaking scenery on exhilarating switchback roads ascending the mountain. (waileagrandbeachvillas.com)
Getting to the villa requires driving a 4x4 up rather steep, narrow switchback roads, but it was not an issue. (luxuryretreats.com)