. The Burren River rises on the north face of
Mount Leinster and flows northward under the
R724 (Ullard Bridge, west of
Fenagh) and under the
N80. It continues northward through
Rathtoe meeting the
Aghalona River in Inchisland and turns westwards, passing under the
M9 in Moyle Big. The Burren River goes under the
N80 again at Ballinacarrig Bridge. It flows through the southern part of
Carlow town and passes under the railway line,
R448 and
R417 (Burrin Street) and then drains into the
River Barrow. ==Wildlife==