Zwemstek
Aerial photo of Hoornseplas, Groningen
Aerial photo: Beeldmateriaal Nederland / PDOK (CC-BY 4.0)

Hoornseplas, Groningen

Official outdoor swimming location in Groningen, Groningen⭐ Top rated

One of the top-rated swim spots in Groningen: 'excellent' in the annual EU bathing-water classification, with good facilities.

Water quality

Good — no active advisoriesEU rating 2024: Excellentas of 19 September 2026 · source: zwemwater.nl
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Access & hours

The city's main swimming lake, on Groningen's south edge next to the Hoornsemeer: sandy beaches, big lawns and playgrounds; horeca in season. Open access, free; very busy on hot days. Dogs: allowed along the lake only from 1 Oct to 1 Apr (Mon–Fri off-leash, weekends leashed); from 1 Apr to 1 Oct not allowed, except at two designated dog runs open year-round. Clean-up required. No water supervision. Monitored 1 May – 1 Oct.

Facilities

Restrooms
Yes
Food & drinks
Yes
Parking
Yes
Lifeguard
No
Boat ramp
No
Lounging area
Yes
Nude recreation
No
Dogs allowed
Yes

Location

Water type
Province
Groningen
Municipality
Groningen
Coordinates
53.1772, 6.5528

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Swim spots nearby

All swim spots in Groningen →Swimming near Groningen →

More about swimming water

Blue-green algae: how to spot it, risks and warningsThe EU bathing water classification explainedSwimming safely in open waterDogs at the swimming spot: can I bring my dog?The best swimming spots in the Netherlands →

Water quality: zwemwater.nl (monthly official measures) · Water temperature: Rijkswaterstaat, nearest measuring station · Weather: Open-Meteo. Always check on-site signage before swimming.