#InlandWaterways - Waterways Ireland advises masters and owners that a green starboardhand navigation mark is reported missing just south of Athlone Lock on the eastern side of the Shannon Navigation opposite the old Athlone Canal entrance.

Masters should proceed with caution when navigating this section of the river.

Elsewhere on the Shannon, a triathlon swimming training course is now set out in Lough Key between Castle Island and the mainland to the west, in an area off the navigable channel.

This will be in place until the end of September and is marked by four yellow buoys. When swimmers are on the course they will be accompanied by a safety boat and will be wearing high visibility swim hats.

Training will take place Mondays, Wednesdays and Fridays from 7am till 8am and Tuesday and Thursday from 6pm till 8pm. Masters are requested to navigate at slow speed and with a low wash when passing the area.

Further information may be had from Donal Kennedy of Lough Key Triathlon Club at 086 109 2626 or [email protected].

Meanwhile, a swimming event will take place on Sunday 9 June from Shannon Harbour to Banagher Harbour.

Masters are requested to navigate at slow speed and with a low wash when passing the area during the event, which will take place between 1pm and 3.30pm.

For more details contact Jerry O’Meara of Shannonside Sub Aqua Club at 087 776 4252 or [email protected].