A large number of alcohol cans and bottles were dumped on the roadside in Doochary.
Cllr Micheál Colm Mac Giolla Easbuig says it has become a recurring issue.
The incident has been reported to Donegal County Council.
Cllr Mac Giolla Easbuig says littering is never acceptable, and it is particularly shameful given the scenic beauty of the west of the county:
