It is located in the lake area of Lough Tuam as pointed on the map. Cursed Symbol which is nested on a platform halfway up the biggest tree. Simply shoots it from the ground or climb one of the wooden for a better view to shoot.
Cursed Symbol 2/2
It is located in the northern area of Connacht. In the mountain area of Ben Bulben. Scan the pit to locate the Cursed symbol location and shoot it.