River Eachaig

River Eachaig
Old road bridge over the River Eachaig. - geograph.org.uk - 1373753
Basin features
Main source	Loch Eck Cowal 56°02′20″N 4°59′05″W / 56.038795°N 4.9847063°W / 56.038795; -4.9847063Coordinates: 56°02′20″N 4°59′05″W / 56.038795°N 4.9847063°W / 56.038795; -4.9847063
River mouth	Holy Loch Cowal Sea level 55°59′54″N 4°57′06″W / 55.998381°N 4.9517269°W / 55.998381; -4.9517269
Tributaries	Left: Little Eachaig

The River Eachaig is a river on the Cowal peninsula, Argyll and Bute in western Scotland.

The river flows from Loch Eck to the Holy Loch, passing Benmore Botanic Garden, Rashfield and Cot House. The Little Eachaig joins the River Eachaig.