A major clean-up is under way at the St Brigid's Hospital campus in Ballinasloe.
Works are being carried out in two phases, with the first underway this week.
The facility, which had 22 beds, was closed down in 2013 and has remained vacant since then.
Overgrowth is to be cleared and broken windows boarded up first - with roof repairs to be carried out after.
Local Fine Gael councillor Alan Harney feels a long-term plan must be in place: