| Canal de la Nieppe | |
| Canal Length: | 23km (14miles) |
| Current Num Locks: | 4 |
| Status: | Closed |
| Date Closed: | 1970 |
| Start Point: | River Lys at Thiennes |
| End Point: | River Lys at Merville |
The Canal de la Nieppe (pronounced as /fr/) was part of the Hazebrouck Canals (fr|Canaux d'Hazebrouck ). It connected to the River Lys at Thiennes with a second connection to the River Lys at Merville. It was 23 km with 4 locks.[1] The other canals composing the Hazebrouck canals are the Canal de Préaven, Canal de la Bourre, Canal d'Hazebrouck.