Valeira
Neptun covers the Valeira lock in Portugal on the Douro. One GET request returns its position, VHF channel and current operating hours — the part that goes stale in every static list.
Facts
| Waterway | Douro |
| Country | Portugal |
| Position | 41.1836, -7.5175 |
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=41.1836&lon=-7.5175&radius=5"