Forss Water

Forss Water, known also as Forss River, has its source at the northern end of Loch Shurrey, at. About 13 kilometres north of its source the river flows into Crosskirk Bay and the Atlantic Ocean at. Crosskirk Bay is on the north coast of Great Britain and about 8 kilometres west of the burgh of Thurso, Caithness, in Highland, Scotland.
The river marked the eastern extent of the Clan Mackay raid in the Sandside Chase of 1437.

Tributaries

Alt Torigil, known also as Alt Forsiescye, enters the river at.
Alltan Guinne enters at.
The Burn of Baillie enters at.
The Burn of Brimside enters at.
Bridges

The river is crossed by four road bridges and one footbridge.
The road bridges are:

Near the river's source at Loch Shurrey, at.
Near Broubster Village, at.
Near Westfield, at.
Near Lythmore, at.
The Bridge of Forss, which carries the A836 road at. The A836 leads towards Thurso and John o' Groats in the east and towards Reay, Melvich, Bettyhill and Tongue in the west.

The footbridge is near the river's mouth at, providing access to St Marys Chapel, to the west of the river, from Crosskirk, to the east.