Glasa above Loch Morie) Black Water (L) Balnagown River (known as Strathrory River upstream) River Tain (flows into Dornoch Firth) Wester Fearn Burn (flows into Dornoch Firth) Carron catchment River Carron (flows into Kyle of Sutherland/Dornoch Firth) Black Water (L) (known in upper reaches as Abhainn an t-Srath Chuileannaidh) Water of Glencalvie (R) (Diebidale River in its upper reaches) Alladale River (Ls) Abhainn a' Ghlinne Mhoir (Rs) (known as Abhainn a' Ghlinne Bhig in its upper reaches) Oykel catchment River Oykel (flows into Kyle of Sutherland) River Cassley (L) River Einig (R) (upper reaches are known as Rappach Water) Abhainn Dubhag (R) (upper reaches are known as Corriemulzie River) Shin catchment River Shin (flows into Kyle of Sutherland) Grudie Burn (R) River Tirry (L) (flows into Loch Shin) River Fiag (L) (flows into Loch Shin) Merkland River (L) (flows into Loch Shin via Loch a' Ghriama) Simple coastal catchments River Evelix River Fleet Abhainn an t-Sratha Charnaig (R) Lettie River (L) (also known as Abhainn Leataidh) Golspie Burn Brora catchment River Brora Black Water (L) River Skinsdale (L) Simple coastal catchments River Loth ? River Helmsdale (River Ullie) Abhainn na Frithe (R) Bannock Burn (L) Berriedale Water Langwell Water (R) Dunbeath Water Wick catchment Wick River Strath Burn (R) Scouthal Burn (L) Burn of Lyth North Coast Flowing into the Atlantic Ocean between Dunnet Head and Cape Wrath Thurso catchment River Thurso Little River, Highland Sleach Water (L) (flows into Loch More Simple coastal catchments Forss Water (known by several other names upstream of Loch Shurrery) Achvarasdal Burn Sandside Burn Halladale River River Dyke (L) River Strathy Armadale Burn River Naver River Borgie Kinloch River Hope catchment River Hope (known as Strathmore River above Loch Hope) Glen Golly River (Ls) Abhainn Srath Coir' an Easaidh (Rs) Simple coastal catchments Amhainn an t-Sratha Bhig River Dionard Daill River Kearvaig River North-west Highlands Flowing into the Atlantic Ocean between Cape Wrath and Corpach at the head of Loch Linnhe Simple coastal catchments Keisgaig River (minor) Sandwood River Rhiconich River River Laxford River Inver River Traligill (flows into Loch Assynt) River Loanan (flows into Loch Assynt) Abhainn Bad na h-Achlaise (known as Abhainn na Clach Airigh upstream) Kirkaig catchment River Kirkaig Abhainn a' Chrocain (L) (flows into Loch Veyatie) Abhainn Mor (R) (flows into Loch Veyatie) Ledmore River (flows into Cam Loch) Ledbeg River (R) Simple coastal catchments River Polly River Canaird (or