Sluis IV
Neptun covers the Sluis IV lock in Netherlands on the Amertak en Wilhelminakanaal. One GET request returns its position, VHF channel and current operating hours — the part that goes stale in every static list.
Facts
| Waterway | Amertak en Wilhelminakanaal |
| Country | Netherlands |
| VHF channel | 20 |
| Position | 51.4984, 5.2071 |
Operating hours change; they are served live by the API rather than baked into this page.
Nearby locks on the same waterway
Request
curl -H "Authorization: Bearer mapi_YOUR_KEY" \
"https://neptun.marine-api.com/v1/locks?lat=51.4984&lon=5.2071&radius=5"