Skirling Pass

Skirling Pass is a valley in the Frostfangs mountain range beyond the Wall. It runs west through the mountains and begins near to the Fist of the First Men. It is an important route through the mountains.

Season 2
Qhorin Halfhand takes a scouting party into the Skirling Pass to attack the lookouts posted there by Mance Rayder.

In the books
In the Song of Ice and Fire novels Skirling Pass is named for the keening sound the wind makes as it blows through it.