Meenachallow is a townland located in the Barony of Boylagh, within the Civil Parish of Killybegs Lower and the Electoral Division of Glenties, County Donegal. Its Irish name is Mín an Cholbha.

It spans an area of 2,861,587 square metres, which equates to approximately 1.10 square miles or 707 acres.

Meenachallow shares its borders with the following townlands:

• Doorian and Meenakilwirra to the east.

• Derries, Gortnamucklagh, and Mullantiboyle to the west.

• Drumnasillagh to the north.

• Kilrean Upper and Meenawannia to the south.