| River Shira | |
| Source1 Location: | Close to, Lochan Sron Mor |
| Source1 Coordinates: | 56.3325°N 4.9631°W |
| Mouth Location: | Loch Dubh |
| Mouth Coordinates: | 56.2583°N 5.0389°W |
River Shira (Gaelic; Scottish Gaelic: Siara / Abhainn Siara) is the river that runs for about 7 miles through Glen Shira, in Argyll and Bute, west of Scotland. Originating to the north-east at 350m (1,150feet) altitude, near the start of the River Fyne.
The river runs into the Lochan Shira reservoir, feeding the 5 MW Gaelic; Scottish Gaelic: Sron Mor (Big Nose), Shira Hydro-Electric Scheme, at 340m (1,120feet) altitude and dropping 49m (161feet).[1] [2] The river includes a few waterfalls and islands, including Gaelic; Scottish Gaelic: Eilean an Eagail (The Island of Fear).
The River Shira flows into Loch Dubh (Black Lake), where the Ancient Clan MacNaghten castle and crannogs used to be situated, then passes Stuart Liddell's house. Loch Dubh drains through the short (River Garron), then flows under the Garron Bridge into Loch Fyne, a sea loch.Gaelic; Scottish Gaelic: Gearr Abhainn[3] [4] [5]
The river lends its name to the ferry .[6]