Loch Striven (Scottish Gaelic: Loch Sroigheann) is a sea loch extending off the Firth of Clyde, and forms part of the Cowal peninsula coast, in Argyll and Bute, Scotland. Loch Striven extends off of the Firth of Clyde just north of the Isle of Bute, where it forms a narrow inlet about 8 miles (13 km) long extending north into the Cowal Peninsula. Terminating at Ardtaraig the hamlet at the head of the loch, where the B836 road provides access to the area.