Eiger north face the north face of the mountain called Eiger. It has a height of more than 1,800 metres (5,900 ft) over the sourrounding area. The summit of Eiger is at f 3,967 metres (13,015 ft) above sea level. Some climbing routes using the north face have length of over 4 kilometres (2.5 mi). They are among the most diffiult, and most tiring climbing routes in the world. Also, the north face is very exposed. There's a constant danger of rockfall and avalanches. It became known because many people tried to climb it (and failed).