switchback
A sharp hairpin bend on a mountain road or trail.
Also called hairpin, hairpin curve.
Updated September 24, 2026
switchback pronunciation
/SWITCH-bak/
Meaning
A switchback is a tight U-turn built so a road or trail can climb steep ground without going straight up. In Appalachian talk you hear it from folks who drive those ridges every day. Hold the wheel, drop a gear, and mind the drop-off. Flatlanders may just say hairpin curve. Mountain people say switchback.
How folks use it
- “Slow down. There's a nasty switchback right after the overlook.”
- “That old logging road switchbacks all the way up the hollow.”
Origin and etymology
American railroad talk from the 1860s: switch plus back, for zigzag tracks that reverse direction to climb steep grades. Drivers and hikers borrowed it for mountain roads and trails. The word is general English now, but it stays thick in Appalachian and other highland speech where those bends are ordinary life, not vacation scenery.
Frequently asked questions
Is a switchback the same as a hairpin turn?
Pretty much. Hairpin describes the shape. Switchback is the mountain-road word for that climb.


