Battlebridge, Drumleague & Drumshanbo, Lough Allen Canal

Keeper: Paddy Joe Carty

Telephone: 071 9641552

Drumshanbo Lock is a double-acting lock. It can work whether the level of the lake is below or above that of the canal. It has moorings, water, light, a shower and toilet block, a lock-keeper’s office, a pump out and bins. It is a 12 minute walk from Drumshanbo.

Clarendon Lock, Knocknivar

Keeper: Padraig Lynch

Telephone: 071 9667011

Dimensions: 102ft x 30ft

Clarendon Lock is the only lock on the Boyle River between the confluence with the Shannon and Lough Key. There can be a strong sideways push from the weir when approaching from downstream.

Albert Lock & Bridge


Telephone: 071 9637715

Dimensions: 102ft x 30ft

The Albert Lock sits at the southern end of the Jamestown Cut. This bypasses the unnavigable stretch of river between Drumsna and Jamestown.

Rooskey Lock

Telephone: 071 9638018

Lock Dimensions: 102ft x 30ft

Bridge Headroom: 11ft closed / 20ft open

High air draught boats will require the lifting bridge to be raised when passing up or downstream from Roosky. The lock keeper is also the bridge keeper.

Tarmonbarry, Clondra & Richmond Harbour Locks

Keeper: Liam Cox

Telephone: 087 9222020

Headroom: 9ft closed / 17ft open. The same type of bridge as Roosky, this bridge is located immediately upstream of the lock, and is operated by the Tarmonbarry Lock Keepers. When coming from upstream, you can contact the lock either by phone, if you have a cell phone on board, or by mooring at the jetty above the bridge and walking down to the lock. In the summer months, you will get through by just waiting for the next lock-full of boats heading upstream.

Athlone Lock, Athlone

Keeper: Tim Connelly

Telephone: 090 6492026

Dimensions: 127ft x 40ft

A large lock chamber, but care is required when approaching from either side, as the neighbouring weir has strong course deviating effects in spite of shuttering.

Pollboy Lock, Balinasloe

Keeper: David Coyne

Telephone:(0)90 9644938

Victoria Lock, Meelick

Keeper: Stephen Mc Garry

Telephone: 0509 51359

Dimensions: 142ft x 40ft

A large lock chamber – The first lock upstream from Lough Derg. No particular hazards or problems here, apart from minimal mooring.

Portumna Bridge

Keeper: Christopher Houlihan

Telephone: 090 9741011

Headroom: 4ft

Effectively delimiting the northern tip of Lough Derg, Portumna Bridge is not negotiable by any craft with air draft of anything more than a rowboat. The bridge does not open by request, but rather at fixed times of the day.