Mountshannon, Lough Derg

About this spot

Mountshannon is situated around a series of three small piers to the east and adjacent to the main south-facing harbour. On the shore of Lough Derg, Mountshannon is an important area for wildlife in particular birds and fish species. There is an area of swamp vegetation along the shore. There is a slow and gradual deepening of the water and the mean depth overall of the water in Lough Derg has been estimated to be 7.6m. Activities include bathing, boating, angling and wind-surfing.

Facilities & access

Lifeguard

Yes

Parking

Yes

Toilets

Yes

Accessible entry

YesFootpath to pier

Dogs

YesBefore 11 am and after 6 pm during summer season, otherwise not allowed at all times onto beach during summer season.

Public transport

No

Official water quality

Classified Excellent in 2025.

Mountshannon, Lough Derg is classified as achieving Excellent Water Quality in 2025 based on the assessment of bacteriological results for the period 2022 to 2025. Mountshannon, Lough Derg has achieved an Excellent Water Quality rating for the four consecutive years 2022 to 2025. Annual water quality ratings are generally calculated using monitoring results over a four-year period and are assessed against stringent bacterial limits to protect bather health.

Common questions

Can you swim at Mountshannon, Lough Derg right now?

Mountshannon, Lough Derg is currently marked "Good to go". No current pollution alerts — always assess conditions yourself. This reflects the latest data published by the Environmental Protection Agency (Ireland). Conditions change quickly — always assess the water yourself before entering.

What is the water quality like at Mountshannon, Lough Derg?

the Environmental Protection Agency (Ireland) classified Mountshannon, Lough Derg as Excellent in 2025. Classifications are a rolling assessment of bacterial samples taken over four bathing seasons, measured against E. coli and intestinal enterococci limits set by the EU Bathing Water Directive.

Is there a swimming ban or warning at Mountshannon, Lough Derg?

There are no active bathing restrictions published by the Environmental Protection Agency (Ireland) for Mountshannon, Lough Derg. That is not a guarantee of safety — assess conditions yourself.

Is there a lifeguard at Mountshannon, Lough Derg?

Yes — Mountshannon, Lough Derg has lifeguard cover. Cover is seasonal; check locally before relying on it.

What facilities are there at Mountshannon, Lough Derg?

Mountshannon, Lough Derg has toilets, parking, accessible entry. Facility information is published by the Environmental Protection Agency (Ireland).