Rio Nela Villarcayo de Merindad de Castilla la Vieja

Is the water clean at Rio Nela Villarcayo de Merindad de Castilla la Vieja?

Rio Nela Villarcayo de Merindad de Castilla la Vieja is a river bathing site with an official EU Bathing Water rating of Poor for the 2025 season — below the EU standard; swimming may be discouraged or restricted by local authorities. That annual classification comes from the EU Bathing Water Directive: national authorities test for two indicator bacteria, intestinal enterococci and E. coli, throughout the bathing season, then report the full-season results to the European Environment Agency (EEA) the following spring — the 2025 season's rating was published in spring 2026, and the 2026 season won't be rated until spring 2027. In addition to that yearly rating, some national authorities — for Croatia, the national environmental authority — publish individual water sample results during the season itself, ahead of the annual report. On site you'll find Showers, Toilets, and Parking. You can park about ~100 m away.

Over the 3 classified seasons on record, 0 have come back Excellent or Good — a track record worth checking each year rather than assuming. If you're timing a visit around water temperature rather than crowds, July–September is the safest bet, with August typically the peak — expect a cooler, calmer sea either side of that stretch. Villarcayo — the closest town — sits about ~500 m from here.

That “Poor” label comes from a full season of official water sampling, not a single test — it's one step on a four-point scale (Excellent, Good, Sufficient, Poor) reassessed once a year. Today's actual conditions can differ from the seasonal average, so for a live snapshot see the “Right now” and 7-day outlook panels above. It's been a consistently reliable spot too — the rating has held at Poor for 3 straight years. There are 28 places to eat within a kilometre — Shirin Kebab - Bar & Grill is the closest, about ~440 m away.