The revolt ended in failure, but Grey's defeat was a significant victory. O'Byre's stronghold was at the eastern end of the glen and there are some ruins of it remaining on Ballincor Mountain in Wicklow.
The revolt ended in failure, but Grey's defeat was a significant victory. O'Byre's stronghold was at the eastern end of the glen and there are some ruins of it remaining on Ballincor Mountain in Wicklow.