N6 is an asphalted road located in central Yemen, with a length of 52,1km. The road (also called R4234) climbs up the Lawdar Mountain Pass, at an elevation of 2,267m above the sea level. The road has 34 switchbacks. It’s one of the most hairpinned roads in the world.

This asphalted road starts in Lawdar, a town and seat of Lawdar District in south-western Yemen, at an elevation of 983m above the sea level. After 52 minutes driving, the road arrives to Al Bayda (also called Al-Baidhah or Beida), a town in central Yemen, in the Governorate of Al Bayda' at an elevation of 1,998m above the sea level.
Pic: http://www.marsnjak.com/sergej/?menu=yemen&pic=65&type=pic&zoom=1&gmap=1