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Glan Don Beach

Gwynedd, Wales
Excellent Water Quality
Data last verified: 08 Aug 2026

Set in Gwynedd, Wales, Glan Don Beach is a designated coastal bathing water known for its sandy beach area. The Environment Agency monitors water standards at the site, which currently holds an annual rating of Excellent. Having been designated as an official bathing water site in 2017, it continues to serve as a key bathing spot in the local region.

16°C
Air Temp
10.4 mph
Wind Speed
Low Tide
in 3h 8m
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Live Water Quality

95
Excellent
Safe for swimming
Updated 10 mins ago
Today's Conditions Updated 10 mins ago

Lifeguards

Unknown
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Air Temp

16°C
Comfortable

Weather

Partly cloudy
16°C

Tide

Low Tide
in 3h 8m

Water Quality

Excellent
Safe for swimming

Pollution Alerts

None
No alerts today

Quick Overview

Sandy beach
Family friendly
Dog friendly
(winter)
Parking nearby
Toilets
Café

Beach Information View all details

Beach Type
Sand
Water Quality
Excellent
Avg. Air Temp
16°C
Swimming
Highly recommended

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Nearby Businesses View all

Caffi Largo
cafe
4.8 • 120m away
Caffi Sol
cafe
4.8 • 120m away
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Reference Information

Full Tide Times
High 04:11 1.1m
Low 11:21 -1.0m
High 16:55 1.1m
Low 00:14 -1.1m
Sediment Type
Sand

The shoreline consists primarily of sand. Sediment type dictates underfoot comfort, wave energy absorption, and the water's clarity when currents stir up the seabed.

Annual Rating
Excellent

Water quality is classified as excellent, meeting the highest cleanliness standards. Bacterial counts (E. coli & Intestinal Enterococci) are consistently low, posing negligible health risks.

Rainfall Impact
High Risk

Bacterial levels are highly susceptible to storm runoff. Heavy rainfall in the local catchment is likely to trigger storm overflows and agricultural runoff, rendering the water temporarily unsafe.

Monitoring Authority
Environment Agency

Tested weekly by the Environment Agency England for bacteria levels (E. coli & Intestinal Enterococci) between May and September.

Water Body Type
Coastal Beach

Monitored as a coastal beach. Coastal beaches are subject to tidal flows and marine dilution, whereas inland lakes/rivers suffer from low water circulation, meaning bacteria can linger longer.

Sewerage Provider
Unknown

Unknown is the regional utility responsible for waste water treatment, sewage infrastructure, and storm overflow management in this catchment area.

Designated Year
2017

Officially designated as a protected bathing water site in 2017. This designation mandates regular public health monitoring.

County / District
Gwynedd

Governed under local district sanitation and environmental safety regulations in the Gwynedd area.

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