Ecluse n.4 de Sains-les-Marquion
Neptun covers the Ecluse n.4 de Sains-les-Marquion lock in France on the Canal du Nord. One GET request returns its position, VHF channel and current operating hours — the part that goes stale in every static list.
Facts
| Waterway | Canal du Nord |
| Country | France |
| Position | 50.1750, 3.0682 |
Operating hours change; they are served live by the API rather than baked into this page.
Nearby locks on the same waterway
- Ecluse n.2 de Marquion
- Ecluse n.3 de Sains-les-Marquion
- Ecluse n.5 de Moeuvres
- Ecluse n.6 de Graincourt-les-Havrincourt
Request
curl -H "Authorization: Bearer mapi_YOUR_KEY" \
"https://neptun.marine-api.com/v1/locks?lat=50.1750&lon=3.0682&radius=5"