You can travel to The Burren, Clare or Ireland in many ways. The link below will give you details of how to do it using public transport and sustainable options.
The Burren and cliffs of Moher App is also available to provide information on sustainable and public transport. You can download it from the link above.
Transport Ireland is also a useful app for planning your public transport options.
DON’T GO YET! look at the bottom, lots of good stuff down there . . . and some of the other pages are good too