List of Sites of Special Scientific Interest in Caithness
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
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SSSIs in the United Kingdom, grouped by Area of Search
- Avon
- Bedfordshire
- Berkshire
- Buckinghamshire
- Cambridgeshire
- Cheshire
- Cleveland
- Cornwall
- County Durham
- Cumbria
- Derbyshire
- Devon
- Dorset
- East Riding of Yorkshire
- East Sussex
- Essex
- Gloucestershire
- Greater London
- Greater Manchester
- Hampshire
- Herefordshire
- Hertfordshire
- Isle of Wight
- Kent
- Lancashire
- Leicestershire
- Lincolnshire
- Merseyside
- Norfolk
- North Yorkshire
- Northamptonshire
- Northumberland
- Nottinghamshire
- Oxfordshire
- Rutland
- Shropshire
- Somerset
- South Yorkshire
- Staffordshire
- Suffolk
- Surrey
- Tyne and Wear
- Warwickshire
- West Midlands
- West Sussex
- West Yorkshire
- Wiltshire
- Worcestershire
- Angus and Dundee
- Annandale and Eskdale
- Badenoch and Strathspey
- Banff and Buchan
- Berwickshire and Roxburgh
- Caithness
- Clydesdale and South East Glasgow
- Cumnock and Kyle
- Dumbarton and North Glasgow
- Dunfermline and Kirkcaldy
- East Perth
- East Ross and Cromarty
- Edinburgh and West Lothian
- Falkirk and Clackmannan
- Gordon and Aberdeen
- Inverness
- Islay and Jura
- Kincardine and Deeside
- Kintyre
- Lorne
- Mid and East Lothian
- Mid Argyll and Cowal
- Moray and Nairn
- Mull, Coll and Tiree
- Nithsdale
- North East Fife
- North Lochaber
- North West Sutherland
- North Wester Ross and Cromarty
- Orkney
- Renfrew and Cunninghame
- Rum and the Small Isles
- Shetland
- Skye and Lochalsh
- South East Sutherland
- South Lochaber
- South Perth
- South Wester Ross and Cromarty
- Stirling
- Tweeddale and Ettrick and Lauderdale
- West Perth
- Western Isles North
- Western Isles South
- Wigtown and Stewartry