Clonalis House is located just one mile from the town of Castlerea, Co Roscommon on the N60 (Ballyhaunis Road) and the entrance, which is sign-posted, is within the town speed limits.
Daily train service Dublin to Castlerea and Castlerea to Dublin.
Ireland West Airport, Knock is 35 mins from Clonalis and at the moment flights to Knock include:
| Birmingham | BMI Baby |
| Bristol | Ryanair |
| Cork | Aer Arann |
| Dublin | Aer Arann |
| East Midlands | Ryanair |
| Liverpool | Ryanair |
| London Gatwick | Aer Lingus |
| London Luton | Ryanair |
| London Stanstead | Ryanair |
| Manchester | BMI Baby |