If the wind blows onto a mountain ridge it can’t go anywhere but follow upwards along the slope to the top.
![](https://chessintheair.com/wp-content/uploads/2018/02/Simple-Ridge.jpg)
Ridge lift was the first form of lift used by glider pilots.
![](https://chessintheair.com/wp-content/uploads/2018/02/Otto-Lilienthal-1024x729.jpg)
![](https://chessintheair.com/wp-content/uploads/2018/02/Wight-Glider-1024x694.jpg)
If the wind blows onto a mountain ridge it can’t go anywhere but follow upwards along the slope to the top.
Ridge lift was the first form of lift used by glider pilots.