KML is not from Wikidata Lahore Canal (Urdu/Punjabi: لاہور نہر) begins at the Bambawali-Ravi-Bedian (BRB) Canal that runs through the east of the city of Lahore, Punjab in Pakistan. The 37 miles (60 km) long waterway was initially built by the Mughals. It was then upgraded by the British in 1861. It is an important part of the city's cultural heritage.