Nor Loch

The [Nor Loch](https://en.wikipedia.org/wiki/Nor_Loch) was a former loch in the valley below Edinburgh Castle, occupying the ground now taken by Princes Street Gardens and Waverley Station. Drained in the early 19th century, it was long associated with stagnant and polluted water.

Princes Street Gardens and Waverley Valley, Edinburgh, Scotland, United Kingdom