There is a river south of Leenane that is shown on old maps named the
Glenglosh River and the general area the Glenglosh valley
It is about half way between Leenane and Letterbrickaun
LINK to osi.ie maps
If you have to search again use Glenlosh
There are holiday cottages there and seem to be the only ones using the address
On the left of the screen you can change the map by clicking on
Base Information and MappingThis gives a list of options - choose
6 inch Cassini and zoom in to river
If you stay on current map the river's name is given only in Irish
Abhainn Bhéal Átha na mBreac