It stretches 23.6 miles from Enniskillen to Belleek along the southwestern shoreline of Lower Lough Erne.
The A46 road runs along the Ballyshannon Road which has a park on the left called Brooke Park and The Round O. Portora Royal School is on a drumlin to the right of the road continues northwesterly leaving the Enniskillen at Silverhill before heading into the countryside of the Ulster Lakeland, with farms and golf courses and woodland and glimpses of Lower Lough Erne.
In Ballyshannon certain road signs have destinations A46 Enniskillen with N3 Dublin with the requisite single arrow pointing in the same direction.
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