Orbis set the challenge, you climb the mountain.

1. Carrauntoohil, Co. Kerry (1,038m)- Munster

2. Mweelrea, Co. Mayo (814m)- Connacht

3. Slieve Donard, Co. Down (925m)- Ulster

4. Lugnaquilla, Co. Wicklow (850m)- Lenister

You can take on the challenge any time throughout the year- you can do it over 48 hours or 48 weeks, you decide.