Welcome to Bonar Quarries

Bonars Quarries is a family run business based in Mountain Top Letterkenny & Drumkeen, Co. Donegal.

We were founded in 1977 and we were originally located in Drumkeen. In 1994, we moved our quarry to Termon and in 2007, reopened a new concrete and block yard in Drumkeen. Our main quarry is now in Mountain Top, Letterkenny.

We are opened 6 days a week from Monday – Friday 8am – 6pm & Saturday 8am – 4pm.


We are suppliers of:

  • All Road making materials
  • Concrete Blocks & Bricks
  • Readymix concrete
  • Precast Concrete Products
  • All concrete is produced in accordance with the EN206 standards and are CE approved