The HSE received over 5.2 million euro in income from its public hospital car parks last year.
According to freedom of information figures, nearly 1.3 million was collected in Cork University Hospital.
University College Hospital Galway was the next highest, at 630,000 euro.
Sinn Féin's health spokesperson, David Cullinane, says the charges should be done away with.
Wildfire Battle Continues in France & Spain with Thousands of Holidays Cut Short
The most recent fires in the Wicklow Mountains are also the most significant of this summer, lasting over 10 days.
Wicklow Businesses Are Staying Competitive with Skills Training
Almost all businesses taking part in training were small and medium-sized enterprises.
Joy Unconfined As Wicklow Town's Shrine To Mayo Bears Fruit At Long Last!
May-O, May-O Maaaaayyyyyyyyyooooooo ....... ''Sam Maguire is coming home to Mayo'', and for one Rathdrum based homeowner, it's manna from heaven!
Wicklow Households Among 1.7 Million Impacted By Uisce Éireann's Bank Holiday Repair Plan
Wicklow customers are encouraged to sign up for text alerts ahead of the bank holiday weekend to receive real-time updates specific to their area during the repair operation.
Early Hours Rescue Brings Three People To Safety
Wicklow RNLI towed a vessel to safety after its engine developed mechanical issues 11 miles southeast of Wicklow Harbour late last night.
8:00pm - 10:00pm
Love Songs on the Coast
Sunny intervals
High: 22°C | Low: 16°C
Sunny intervals
High: 22°C | Low: 16°C
Medium-level cloud
High: 25°C | Low: 15°C
Sunny intervals
High: 25°C | Low: 15°C
Sunny intervals
High: 24°C | Low: 15°C