The Mount Errigal hotel is located on the main access road to Letterkenny town from Northern Ireland and South Donegal . On approaching Letterkenny the first roundabout you arrive at is the Dry arch roundabout. Take the main road towards Letterkenny. This road crosses the Port Bridge at the second roundabout, stay in the right hand lane on the approach to the roundabout and take the third exit. As you exit the roundabout on the Ramelton road the Mount Errigal Hotel is located immediately on the left.