From A Wiki of Ice and Fire
Pigrun Alley is an alley in King's Landing. It is enclosed by tall timber-and-stone buildings whose upper stories lean out so far over the streets that they nearly touch those of the buildings across from them.
A Clash of Kings
Tyrion Lannister sees an old crone carrying a dead cat by the tail when he rides on Pigrun Alley.
- ↑ 1.0 1.1 A Clash of Kings, Chapter 29, Tyrion VII.