Mountshannon – Captain's Handbook ©

9. Juli 202513. Juli 2025

Marine Notice, No. 69 of 2025

Mountshannon-Gribby Island; © esri; click picture to esri maps "Lough Derg Mountshannon-Mooring " — Mountshannon,Gaelforce Great Lake Swim ; © esri

Marine Notice, No. 69 of 2025

Shannon Navigation – Lough Derg

Issued: 8 July 2025

Gaelforce Great Lake Swim

Lough Derg – Mountshannon, Saturday, 12 July 2025

Waterways Ireland wishes to inform waterway users that the Gaelforce Great Lake Swim 2025 will take place on Lough Derg on Saturday, 12 July 2025. The event will start and finish in Mountshannon, with navigational restrictions in place on the day from 10:30 to 15:30, see below.

Navigation & Safety Advisory:

- - Mountshannon Harbour and its approach routes will be closed to all vessels during this time, except those directly involved with the event.
  - Swimmers and support craft will be active on the water between 10:30 & 15:30.
  - Masters of vessels are asked to:
    - - Follow instructions from event marshals and safety boats.
      - Keep the racecourse clear at all times.
  - Navigation will be re-opened once all swimmers are safely out of the water.
  - These temporary closures are rare and are implemented to support a unique and high-profile event that brings commercial and community benefit to the local area.
  - More information available here: Gaelforce_Great_Lake_Swim_2025

Waterways Ireland thanks all waterway users for their cooperation and support in ensuring the safe and successful running of this event.

Peter Harty, Inspector of Navigation
Inspectorate.Athlone@waterwaysireland.org

Bushy Islands; © wasserrausch	Cribby Islands © wasserrausch
Mountshannon Harbour; © wasserrausch	Mountshannon, Harbour Mooring

Shannon Navigation – Lough Derg, Ausgestellt: 8. Juli 2025
Gaelforce Great Lake Swim – Lough Derg – Mountshannon
Samstag, 12. Juli 2025
Waterways Ireland möchte die Nutzer der Wasserstraßen darüber informieren, dass das Gaelforce Great Lake Swim 2025 am Samstag, 12. Juli 2025, auf dem Lough Derg stattfinden wird. Die Veranstaltung beginnt und endet in Mountshannon, wobei an diesem Tag von 10:30 bis 15:30 Uhr Navigationsbeschränkungen gelten (siehe unten).
Hinweis zur Schifffahrt und Sicherheit:

Der Hafen von Mountshannon und seine Zufahrtswege sind während dieser Zeit für alle Schiffe gesperrt, mit Ausnahme derjenigen, die direkt an der Veranstaltung beteiligt sind.
Zwischen 10:30 und 15:30 Uhr sind Schwimmer und Begleitboote auf dem Wasser unterwegs.
Die Kapitäne der Schiffe werden gebeten:
- - - den Anweisungen der Veranstaltungsleiter und Sicherheitsboote zu folgen.
      die Rennstrecke jederzeit frei zu halten.
    - Die Schifffahrt wird wieder freigegeben, sobald alle Schwimmer sicher aus dem Wasser sind.
Diese vorübergehenden Sperrungen sind selten und werden durchgeführt, um eine einzigartige und hochkarätige Veranstaltung zu unterstützen, die der Region wirtschaftliche und gesellschaftliche Vorteile bringt.
Weitere Informationen finden Sie hier: Gaelforce_Great_Lake_Swim_2025

Waterways Ireland dankt allen Nutzern der Wasserstraßen für ihre Zusammenarbeit und Unterstützung, um einen sicheren und erfolgreichen Ablauf dieser Veranstaltung zu gewährleisten.

21. Januar 201717. Oktober 2020

MARINE NOTICE, No 003 of 2017

Mountshannon-Mooring; © esri; click picture to esri maps "Lough Derg Mountshannon-Mooring " — Mountshannon-Mooring; © esri

MARINE NOTICE, No. 3 of 2017

Shannon Navigation

Lough Derg

Mountshannon

Work to Upgrade Decking on Floating Moorings

Waterways Ireland wishes to advise all waterway users that work to upgrade the decking on the floating moorings at Mountshannon will commence on 30 Jan and finish in or about the 10 Mar 2017.

These moorings will be a construction site for this period, masters/owners with vessels presently berthed there are requested to move their vessels to alternative moorings before the 30 Jan. The public are also requested not to enter upon the site and to be aware of warning notices in place.

Waterways Ireland thanks its customers for their cooperation in the matter.

Charles Lawn, Inspector of Navigation, 20 Jan 2017

Mountshannon Mooring

12. Februar 201628. März 2019

MARINE NOTICE 010 of 2016

Lough Derg; © esri; click picture to esri maps "Lough Derg Mountshannon" — Mountshannon; © esri

MARINE NOTICE, No 10 of 2016

Shannon Navigation

Mountshannon – Floating Moorings

Waterways Ireland wishes to advise all users that the floating moorings located in Mountshannon Harbour are closed to the public due to damage as a result of high water levels and storms.

A further Marine Notice will advise.

Charles Lawn, Inspector of Navigation, 11 Feb 2016

Mountshannon Harbour ( Foto by Brain J. Goggin)

23. Juni 201515. Juli 2019

MARINE NOTICE, 084 of 2015

Lough Derg; © esri; click to Arcgis Map "Lough Derg" — Lough Derg; © esri

MARINE NOTICE, No.84 of 2015

SHANNON NAVIGATION

Lough Derg – Mountshannon

Fisheries Survey

Waterways Ireland wishes to advise masters and owners of vessels that Inland Fisheries Ireland will conduct a fisheries survey in the general area of Mountshannon between Cribby and Bushy Islands on today Tues 23 and tomorrow Wed 24 June.
The nets will be marked by large yellow buoys and masters are requested to give these a wide berth.

Waterways Ireland thanks its customers for their cooperation in this matter.

Charles Lawn, Inspector of Navigation, 23 Jun 2015.

Mountshannon Harbour; © wasserrausch	Cribby Islands © wasserrausch
Bushy Islands; © wasserrausch

30. Juni 201428. März 2019

MARINE NOTICE 078 of 2014

Lough Derg 39 Rally; © esri; click to Arcgis Map "Lough Derg" — Lough Derg 39 Rally; © esri

MARINE NOTICE, No.78 of 2014

SHANNON NAVIGATION

Lough Derg

39th Lough Derg Boat Rally

Waterways Ireland wishes to advise masters and owners that the above event will take place on Lough Derg commencing on Fri 5th. July and finishing on Sun 12th. July 2014.
The Rally intends to visit the following harbours:
Dromineer, Terryglass, Rossmore, Mountshannon and Killaloe.

The organisers may be contacted on: 00353879372683

Charles Lawn, Inspector of Navigation, 30 Jun 2014.

Fleet Rally Scarriff; © wasserrausch; click picture to "enlarge" — Fleet Rally Scarriff; © wasserrausch