The following is a list of Sites of Special Scientific Interest in the Caithness Area of Search. For other areas, see List of SSSIs by Area of Search.

Achanarras Quarry Banniskirk Quarry Beinn Freiceadain and Ben Dorrery Berriedale Cliffs Berriedale Water Blar Nam Faoileag Broubster Leans Burn of Latheronwheel De-notified (confirmed) on 3 February 2012 Castle of Old Wick to Craig Hammel Coire na Beinne Mires Craig Hammel to Sgaps Geo Dirlot Gorge Dunbeath Peatlands Dunbeath to Sgaps Geo Dunbeath Water Duncansby Head Dunnet Head Dunnet Links East Halladale Hill of Leodebest De-notified (confirmed) on 3 February 2012 Hill of Warehouse Holborn Head John o' Groats Knockfin Heights Knockinnon Heath Lambsdale Leans Langwell Water Leavad Loch Calder Loch Caluim Flows Loch Heilen Loch Lieurary Loch of Durran Loch of Mey Loch of Wester Loch of Winless Loch Scarmclate Loch Watten Long Berry Coast Lower Wick River Morven and Scaraben Moss of Killimster Newlands of Geise Mire Oliclett Ousdale Burn Pennylands Pentland Firth Islands Phillips Mains Mire Red Point Coast Reisgill Burn River Thurso Rumsdale Peatlands Sandside Bay Shielton Peatlands Sletill Peatlands Spittal Quarry Strathmore Peatlands Stroma Stroupster Peatlands Thrumster Mill Loch Ushat Head Westerdale Quarry Westfield Bridge Weydale Quarry Wick River Marshes

References