This is a list of the Sites of Special Scientific Interest (SSSIs) in the county of Dorset, England, United Kingdom. In England the body responsible for designating SSSIs is Natural England, which chooses a site because of its fauna, flora, geological or physiographical features. Natural England uses Dorset's borders to mark one of its Areas of Search. As of 2012[update], there are 139 sites designated in this Area of Search. There are 20 sites with a purely geological interest, and 103 listed for biological interest. A further 16 sites are designated for both reasons.
Natural England took over the role of designating and managing SSSIs from English Nature in October 2006 when it was formed from the amalgamation of English Nature, parts of the Countryside Agency and the Rural Development Service. Natural England, like its predecessor, uses the 1974–1996 county system and as such the same approach is followed here. The data in the table is taken from Natural England in the form of citation sheets for each SSSI, and the County Background Datasheet for Dorset.
For other counties, see List of SSSIs by Area of Search.
Sites
| Site name | Reason for designation | Area[A] | Coordinates & Grid ref[B] | Year in which notified | Other designations | Map[C] & Citation | ||
|---|---|---|---|---|---|---|---|---|
| Biological interest | Geological interest | Hectares | Acres | |||||
| Abbotsbury Blind Lane | 0.2 | 0.5 | 50°40′05″N 2°36′04″W / 50.668°N 2.601°W SY576855 | 1977 | AONB, GCR, HC | Map | ||
| Abbotsbury Castle | 34.9 | 86.2 | 50°40′26″N 2°37′16″W / 50.674°N 2.621°W SY562862 | 1984 | AONB, HC | Map | ||
| Arne | 557.6 | 1,377.9 | 50°41′24″N 2°03′07″W / 50.69°N 2.052°W SY964878 | 1986 | AONB, SPA, GCR, NNR, NCR, Ramsar site, SAC | Map | ||
| Alder Hills | 5.2 | 13 | 1984 | |||||
| Aunt Mary's Bottom | 8.2 | 20.3 | 50°49′05″N 2°38′46″W / 50.818°N 2.646°W ST546023 | 1991 | AONB, SAC | Map | ||
| River Avon System | 475.9 | 1,176.1 | 51°01′34″N 1°45′36″W / 51.026°N 1.76°W SU169252 | 1996 | NCR, SAC | Map | ||
| Avon Valley (Bickton To Christchurch) | 1,403.8 | 3,468.9 | 50°46′19″N 1°47′28″W / 50.772°N 1.791°W SZ148970 | 1993 | SPA, ESA, WT, NCR, Ramsar site | Map | ||
| River Axe, Devon | 69.5 | 171.8 | 50°46′48″N 3°00′25″W / 50.78°N 3.007°W SY291983 | 1999 | AONB, GCR, SAC | Map | ||
| Babylon Hill | 1.1 | 2.7 | 50°56′10″N 2°36′11″W / 50.936°N 2.603°W ST577154 | 1986 | GCR | Map | ||
| Batcombe Down | 18.5 | 45.7 | 50°49′59″N 2°32′28″W / 50.833°N 2.541°W ST620039 | 1977 | AONB | Map | ||
| Belle Vue Quarry | 2.6 | 6.4 | 50°36′14″N 1°58′55″W / 50.604°N 1.982°W SZ014782 | 1952 | AONB, NT | Map | ||
| Bere Stream | 10.9 | 27.0 | 50°43′44″N 2°12′11″W / 50.729°N 2.203°W SY858922 | 1977 | Map | |||
| Black Hill Down | 59.6 | 147.2 | 50°48′N 2°28′W / 50.8°N 2.47°W ST670002 | 1977 | AONB, SAC | Map | ||
| Black Hill Heath | 70.5 | 174.3 | 50°44′42″N 2°13′55″W / 50.745°N 2.232°W SY837940 | 1989 | SPA, Ramsar site, SAC | Map | ||
| Blackdown (Hardy Monument) | 21.8 | 54.0 | 50°41′06″N 2°33′04″W / 50.685°N 2.551°W SY612874 | 1989 | AONB, GCR, NT | Map | ||
| Blackmore Vale Commons and Moors | 299.3 | 739.7 | 50°54′04″N 2°21′18″W / 50.901°N 2.355°W ST751113 | 2012 | Common land, SAC | Map | ||
| Blandford Camp | 28.7 | 70.9 | 50°52′34″N 2°06′29″W / 50.876°N 2.108°W ST925085 | 1994 | AONB | Map | ||
| Blashenwell Farm Pit | 11.3 | 28.0 | 50°37′26″N 2°04′08″W / 50.624°N 2.069°W SY952805 | 1954 | AONB, GCR | Map | ||
| Blue Pool And Norden Heaths | 112.5 | 278.0 | 50°38′53″N 2°05′17″W / 50.648°N 2.088°W SY939831 | 1985 | AONB, SPA, Ramsar site, SAC | Map | ||
| Boulsbury Wood | 119.8 | 295.9 | 50°56′06″N 1°53′46″W / 50.935°N 1.896°W SU074151 | 1983 | Map | |||
| Bourne Valley | 72.8 | 180.0 | 50°44′02″N 1°54′22″W / 50.734°N 1.906°W SZ067927 | 1995 | SAM, SPA, LNR, WT, Ramsar site, SAC | Map | ||
| Bracket's Coppice And Ryewater Farm | 53.8 | 132.8 | 50°51′43″N 2°41′17″W / 50.862°N 2.688°W ST517072 | 1984 | AONB, SAC | Map | ||
| Bradford Abbas Railway Cutting | 1.4 | 3.4 | 50°55′41″N 2°34′59″W / 50.928°N 2.583°W ST591144 | 1990 | GCR | Map | ||
| Breach Fields | 11.4 | 28.2 | 50°59′56″N 2°12′40″W / 50.999°N 2.211°W ST853222 | 1991 | Map | |||
| Brenscombe Heath | 34.8 | 85.9 | 50°38′56″N 2°01′30″W / 50.649°N 2.025°W SY983833 | 1985 | AONB, HC, Ramsar site, SAC | Map | ||
| Bryanston | 0.3 | 0.7 | 50°51′40″N 2°10′48″W / 50.861°N 2.18°W ST874069 | 1977 | AONB | Map | ||
| Bugden's Copse And Meadows | 7.6 | 18.7 | 50°52′44″N 1°52′30″W / 50.879°N 1.875°W SU089088 | 1990 | LNR | Map | ||
| Burton Bradstock | 0.1 | 0.2 | 50°42′00″N 2°43′41″W / 50.7°N 2.728°W SY487892 | 1986 | AONB, GCR, HC | Map | ||
| Canford Heath | 413.1 | 1,020.7 | 50°45′47″N 1°57′43″W / 50.763°N 1.962°W SZ028959 | 1985 | SAM, SPA, NCR, Ramsar site, SAC | Map | ||
| Chalbury Hill And Quarry | 12.0 | 29.6 | 50°39′11″N 2°26′02″W / 50.653°N 2.434°W SY694838 | 1984 | AONB, GCR | Map | ||
| Chesil & The Fleet | 983.1 | 2,429.4 | 50°37′30″N 2°33′14″W / 50.625°N 2.554°W SY609807 | 1986 | AONB, GCR, NCR, Ramsar site, SAC | Map | ||
| Christchurch Harbour | 352.1 | 870.2 | 50°43′16″N 1°45′29″W / 50.721°N 1.758°W SZ172913 | 1986 | SAM, GCR, LNR, SAC | Map | ||
| Conegar Road Cutting | 0.2 | 0.4 | 50°49′19″N 2°47′53″W / 50.822°N 2.798°W ST439028 | 1996 | AONB | Map | ||
| Corfe & Barrow Hills | 101.6 | 251.1 | 50°46′23″N 2°00′11″W / 50.773°N 2.003°W SY999970 | 1986 | SPA, Ramsar site, SAC | Map | ||
| Corfe Common | 91.0 | 224.8 | 50°37′44″N 2°03′43″W / 50.629°N 2.062°W SY957810 | 1984 | AONB, NT, Ramsar site, SAC | Map | ||
| Corfe Meadows | 18.1 | 44.8 | 50°39′11″N 2°03′14″W / 50.653°N 2.054°W SY963837 | 1987 | AONB, HC | Map | ||
| Corfe Mullen Pastures | 11.9 | 29.4 | 50°45′58″N 2°02′13″W / 50.766°N 2.037°W SY975963 | 1994 | Ramsar site, SAC | Map | ||
| Corton Cutting | 0.2 | 0.6 | 50°40′01″N 2°30′58″W / 50.667°N 2.516°W SY636854 | 1997 | AONB, GCR | Map | ||
| Court Farm, Sydling | 83.2 | 205.5 | 50°47′42″N 2°32′42″W / 50.795°N 2.545°W SY617996 | 1987 | AONB, SAC | Map | ||
| Cranborne Common | 133.3 | 329.4 | 50°53′31″N 1°51′43″W / 50.892°N 1.862°W SU098103 | 1985 | AONB, SPA, WT, Ramsar site, SAC | Map | ||
| Creech Grange | <0.1 | 0.1 | 50°38′20″N 2°07′37″W / 50.639°N 2.127°W SY911822 | 1986 | AONB, NCR | Map | ||
| Crookhill Brick Pit | 4.7 | 11.6 | 50°37′05″N 2°30′18″W / 50.618°N 2.505°W SY644799 | 2003 | GCR, HC | Map | ||
| Cull-peppers Dish | 0.8 | 2.1 | 50°43′55″N 2°15′54″W / 50.732°N 2.265°W SY814925 | 1989 | GCR | Map | ||
| Drakenorth | 26.2 | 64.8 | 50°46′41″N 2°40′26″W / 50.778°N 2.674°W SY526978 | 1986 | AONB | Map | ||
| East Coppice | 4.7 | 11.7 | 50°44′46″N 2°09′00″W / 50.746°N 2.15°W SY895941 | 1987 | Map | |||
| Ebblake Bog | 11.4 | 28.2 | 50°51′43″N 1°51′07″W / 50.862°N 1.852°W SU105069 | 1985 | SPA, Ramsar site, SAC | Map | ||
| Eggardon Hill & Luccas Farm | 144.4 | 356.7 | 50°45′11″N 2°39′18″W / 50.753°N 2.655°W SY539950 | 1986 | AONB, NT, NCR | Map | ||
| Ferndown Common | 64.4 | 159.1 | 50°47′56″N 1°54′18″W / 50.799°N 1.905°W SZ068999 | 1984 | SPA, SAC | Map | ||
| Fontmell And Melbury Downs | 263.1 | 650.1 | 50°57′40″N 2°09′54″W / 50.961°N 2.165°W ST885180 | 1987 | AONB, NT, SAC | Map | ||
| Frogden Quarry | 0.2 | 0.5 | 50°57′47″N 2°30′11″W / 50.963°N 2.503°W ST648183 | 1986 | GCR | Map | ||
| River Frome | 151.5 | 374.2 | 50°41′56″N 2°15′58″W / 50.699°N 2.266°W SY813888 | 1998 | SAM, AONB, WT, Ramsar site | Map | ||
| Frome St Quintin | 32.7 | 80.7 | 50°49′59″N 2°35′53″W / 50.833°N 2.598°W ST580039 | 1991 | AONB, SAC | Map | ||
| Giant Hill | 84.1 | 207.8 | 50°49′01″N 2°28′23″W / 50.817°N 2.473°W ST668020 | 1985 | AONB, NT, SAC | Map | ||
| Goathill Quarry | 0.3 | 0.7 | 50°57′22″N 2°28′16″W / 50.956°N 2.471°W ST670175 | 1986 | GCR | Map | ||
| Halfway House Quarry | 0.9 | 2.1 | 50°56′42″N 2°34′05″W / 50.945°N 2.568°W ST602163 | 1986 | GCR | Map | ||
| Ham Common | 32.9 | 81.4 | 50°42′58″N 2°01′48″W / 50.716°N 2.03°W SY980907 | 1987 | SPA, GCR, LNR, MOD, Ramsar site, SAC | Map | ||
| Handcocks Bottom | 54.4 | 134.5 | 50°55′05″N 2°08′31″W / 50.918°N 2.142°W ST901132 | 1988 | AONB | Map | ||
| Hartland Moor | 301.3 | 744.5 | 50°39′58″N 2°04′16″W / 50.666°N 2.071°W SY951851 | 1986 | AONB, SPA, NNR, NT, NCR, Ramsar site, SAC | Map | ||
| Haydon And Askerswell Downs | 107.4 | 265.4 | 50°44′24″N 2°38′42″W / 50.74°N 2.645°W SY546936 | 1985 | AONB, NCR | Map | ||
| Highcliffe To Milford Cliffs | 110.1 | 272.1 | 50°43′52″N 1°38′20″W / 50.731°N 1.639°W SZ256924 | 1991 | GCR | Map | ||
| Higher Houghton | 145.0 | 358.4 | 50°50′35″N 2°17′06″W / 50.843°N 2.285°W ST800049 | 1984 | SAM, AONB, ESA, NCR | Map | ||
| Hod And Hambledon Hills | 101.4 | 250.5 | 50°54′47″N 2°13′23″W / 50.913°N 2.223°W ST844126 | 1986 | AONB, NNR, NT, NCR | Map | ||
| Hog Cliff | 85.4 | 211.1 | 50°46′12″N 2°32′49″W / 50.77°N 2.547°W SY615969 | 1985 | AONB, NNR, SAC | Map | ||
| Holnest | 54.9 | 135.8 | 50°53′38″N 2°28′30″W / 50.894°N 2.475°W ST667106 | 2004 | SAC | Map | ||
| Holt And West Moors Heaths | 767.0 | 1,895.2 | 50°50′28″N 1°56′13″W / 50.841°N 1.937°W SU045046 | 1988 | SPA, MOD, NCR, Ramsar site, SAC | Map | ||
| Holton And Sandford Heaths | 277.2 | 684.9 | 50°43′19″N 2°04′08″W / 50.722°N 2.069°W SY952914 | 1997 | SPA, NNR, Ramsar site, SAC, | Map | ||
| Holway Hill Quarry | 0.1 | 0.3 | 50°59′17″N 2°31′01″W / 50.988°N 2.517°W ST638211 | 1998 | Map | |||
| Horn Park Quarry | 2.7 | 6.6 | 50°48′58″N 2°46′19″W / 50.816°N 2.772°W ST457021 | 1986 | AONB, GCR, NNR | Map | ||
| Horton Common | 20.1 | 49.5 | 50°51′47″N 1°53′42″W / 50.863°N 1.895°W SU075071 | 1984 | SPA, Ramsar site, SAC | Map | ||
| Hurn Common | 83.4 | 206.1 | 50°47′24″N 1°50′31″W / 50.79°N 1.842°W SZ112990 | 1986 | CP, SPA, WT, MOD, SAC, | Map | ||
| Lambert's Castle | 109.2 | 269.9 | 50°46′34″N 2°53′46″W / 50.776°N 2.896°W SY369978 | 1989 | AONB | Map | ||
| Langford Meadow | 7.8 | 19.2 | 50°45′18″N 2°30′58″W / 50.755°N 2.516°W SY637952 | 1985 | AONB | Map | ||
| Lions Hill | 43.4 | 107.2 | 50°49′59″N 1°51′14″W / 50.833°N 1.854°W SU104037 | 1985 | SPA, Ramsar site, SAC | Map | ||
| Lodmoor | 74.9 | 185.1 | 50°37′55″N 2°26′38″W / 50.632°N 2.444°W SY687815 | 1985 | RSPB | Map | ||
| Lorton | 21.3 | 52.7 | 50°38′20″N 2°27′40″W / 50.639°N 2.461°W SY675823 | 1987 | Map | |||
| Low's Hill Quarry | 0.8 | 1.9 | 50°56′35″N 2°33′22″W / 50.943°N 2.556°W ST610161 | 1989 | GCR | Map | ||
| Lulworth Park & Lake | 46.9 | 115.8 | 50°38′35″N 2°12′22″W / 50.643°N 2.206°W SY855826 | 1988 | AONB | Map | ||
| Luscombe Valley | 58.0 | 143.2 | 50°42′14″N 1°55′55″W / 50.704°N 1.932°W SZ049894 | 1996 | LNR | Map | ||
| Lyscombe And Highdon | 82.9 | 204.9 | 50°48′43″N 2°22′37″W / 50.812°N 2.377°W ST735014 | 1986 | SAM, AONB, ESA | Map | ||
| Mapperton And Poorton Vales | 85.2 | 210.6 | 50°47′38″N 2°41′31″W / 50.794°N 2.692°W SY513996 | 1992 | AONB, SAC | Map | ||
| Martin And Tidpit Downs | 367.5 | 908.2 | 50°58′01″N 1°55′34″W / 50.967°N 1.926°W SU053186 | 1987 | SAM, AONB, NNR, NCR | Map | ||
| Melbury Park | 259.4 | 640.9 | 50°50′56″N 2°36′22″W / 50.849°N 2.606°W ST574057 | 1985 | AONB, NCR | Map | ||
| The Moors | 157.9 | 390.1 | 50°41′02″N 2°04′26″W / 50.684°N 2.074°W SY949871 | 1985 | AONB, SPA, HC, Ramsar site, SAC | Map | ||
| Moors River System | 291.9 | 721.3 | 50°47′42″N 1°50′38″W / 50.795°N 1.844°W SZ111995 | 1999 | AONB, CP, WT, NCR | Map | ||
| Morcombelake | 23.0 | 56.7 | 50°44′42″N 2°50′42″W / 50.745°N 2.845°W SY405943 | 1991 | AONB, HC | Map | ||
| Morden Bog And Hyde Heath | 659.9 | 1,630.6 | 50°43′37″N 2°11′17″W / 50.727°N 2.188°W SY868920 | 1996 | SAM, SPA, NNR, NCR, Ramsar site, SAC | Map | ||
| Nicodemus Heights | 7.9 | 19.5 | 50°33′25″N 2°25′52″W / 50.557°N 2.431°W SY696731 | 1999 | SAC | Map | ||
| Oakers Bog | 29.8 | 73.7 | 50°43′34″N 2°15′58″W / 50.726°N 2.266°W SY813918 | 1988 | SPA, GCR, Ramsar site, SAC | Map | ||
| Oakers Wood | 47.2 | 116.5 | 50°43′23″N 2°16′34″W / 50.723°N 2.276°W SY806915 | 1984 | Map | |||
| Oakhills Coppice | 14.4 | 35.6 | 50°53′N 2°02′W / 50.88°N 2.03°W ST980089 | 1990 | AONB | Map | ||
| Parley Common | 163.9 | 405.1 | 50°47′35″N 1°52′19″W / 50.793°N 1.872°W SZ091993 | 1984 | SPA, NCR, Ramsar site, SAC, | Map | ||
| Peashill Quarry | 0.4 | 1.1 | 50°43′16″N 2°43′01″W / 50.721°N 2.717°W SY495915 | 1989 | AONB, GCR | Map | ||
| Pentridge Down | 62.3 | 154.0 | 50°57′14″N 1°56′35″W / 50.954°N 1.943°W SU041172 | 1996 | AONB | Map | ||
| Piddles Wood | 73.1 | 180.5 | 50°54′54″N 2°17′35″W / 50.915°N 2.293°W ST795129 | 1985 | WT | Map | ||
| Pitcombe Down | 13.1 | 32.4 | 50°42′14″N 2°35′24″W / 50.704°N 2.59°W SY584895 | 1985 | AONB | Map | ||
| Poole Bay Cliffs | 12.3 | 30.4 | 50°42′43″N 1°53′49″W / 50.712°N 1.897°W SZ074903 | 1989 | GCR | Map | ||
| Poole Harbour | 2,268.9 | 5,606.6 | 50°43′12″N 2°02′28″W / 50.72°N 2.041°W SY972911 | 1990 | AONB, SPA, NT, NCR, Ramsar site, SAC | Map | ||
| Isle of Portland | 352.1 | 869.9 | 50°31′44″N 2°26′20″W / 50.529°N 2.439°W SY690700 | 1987 | GCR, SAC | Map | ||
| Portland Harbour Shore | 28.1 | 69.4 | 50°35′53″N 2°27′29″W / 50.598°N 2.458°W SY677777 | 1987 | Crown estate, GCR, SAC | Map | ||
| Povington And Grange Heaths | 1,217.1 | 3,007.5 | 50°39′04″N 2°09′14″W / 50.651°N 2.154°W SY892835 | 1986 | AONB, SPA, MOD, NCR, Ramsar site, SAC | Map | ||
| Powerstock Common And Wytherston Farm | 161.7 | 399.5 | 50°46′01″N 2°39′14″W / 50.767°N 2.654°W SY540966 | 1900 | AONB, WT, SAC, | Map | ||
| Poxwell | 0.4 | 1.1 | 50°39′04″N 2°22′08″W / 50.651°N 2.369°W SY740835 | 1998 | AONB | Map | ||
| Purbeck Ridge (East) | 143.6 | 354.8 | 50°37′48″N 1°57′18″W / 50.63°N 1.955°W SZ033811 | 1999 | AONB, GCR, HC, SAC | Map | ||
| Purbeck Ridge (West) | 144.7 | 357.5 | 50°37′59″N 2°09′29″W / 50.633°N 2.158°W SY889815 | 1986 | AONB | Map | ||
| Purewell Meadows | 12.9 | 31.8 | 50°44′20″N 1°45′58″W / 50.739°N 1.766°W SZ166933 | 1985 | Map | |||
| Radipole Lake | 96.0 | 237.1 | 50°37′23″N 2°28′05″W / 50.623°N 2.468°W SY670805 | 1985 | RSPB | Map | ||
| Rempstone Heaths | 170.0 | 420.0 | 50°39′04″N 2°01′48″W / 50.651°N 2.03°W SY980835 | 1987 | AONB, SPA, HC, Ramsar site, SAC | Map | ||
| Sandford Lane Quarry | 0.8 | 1.9 | 50°57′29″N 2°31′52″W / 50.958°N 2.531°W ST628177 | 1990 | GCR | Map | ||
| Shillingstone Quarry | 8.2 | 20.3 | 50°53′13″N 2°15′11″W / 50.887°N 2.253°W ST823097 | 1995 | AONB | Map | ||
| Slop Bog And Uddens Heath | 43.9 | 108.5 | 50°48′58″N 1°53′31″W / 50.816°N 1.892°W SU077018 | 1985 | SPA, Ramsar site, SAC | Map | ||
| South Dorset Coast | 1,591.7 | 3,933.1 | 50°37′23″N 2°11′13″W / 50.623°N 2.187°W SY869804 | 1986 | AONB, CP, GCR, HC, WT, NT, NCR, SAC | Map | ||
| St Catherine's Hill, Dorset | ||||||||
| St Leonards And St Ives Heaths | 529.9 | 1,309.4 | 50°49′37″N 1°49′16″W / 50.827°N 1.821°W SU127031 | 1999 | SAM, CP, SPA, WT, MOD, Ramsar site, SAC, | Map | ||
| Stoborough & Creech Heaths | 338.0 | 835.2 | 50°39′54″N 2°06′32″W / 50.665°N 2.109°W SY924850 | 1986 | AONB, SPA, NNR, Ramsar site, SAC | Map | ||
| Stokeford Heaths | 177.3 | 438.0 | 50°41′35″N 2°12′18″W / 50.693°N 2.205°W SY856882 | 1995 | SPA, Ramsar site, SAC | Map | ||
| Studland and Godlingston Heath NNR | 757.8 | 1,872.6 | 50°39′18″N 1°58′08″W / 50.655°N 1.969°W SZ023839 | 1986 | AONB, SPA, GCR, NNR, NT, NCR, Ramsar site, SAC | Map | ||
| Studland Cliffs | 21.1 | 52.2 | 50°38′28″N 1°56′10″W / 50.641°N 1.936°W SZ046824 | 1986 | AONB, GCR, NT, SAC | Map | ||
| Sutton Combe | 16.7 | 41.2 | 50°56′35″N 2°10′41″W / 50.943°N 2.178°W ST876160 | 1986 | AONB | Map | ||
| Sutton Meadows | 5.0 | 12.3 | 50°53′42″N 1°55′12″W / 50.895°N 1.92°W SU057106 | 1985 | AONB, WT | Map | ||
| Sydling Valley Downs | 74.0 | 182.8 | 50°48′58″N 2°30′43″W / 50.816°N 2.512°W ST640019 | 1985 | AONB, SAC | Map | ||
| Thrasher's Heath | 14.8 | 36.6 | 50°39′18″N 2°02′38″W / 50.655°N 2.044°W SY970839 | 1984 | AONB, HC, Ramsar site, SAC | Map | ||
| Toller Porcorum | 178.5 | 441.0 | 50°47′31″N 2°38′13″W / 50.792°N 2.637°W SY552993 | 1986 | AONB, SAC | Map | ||
| Town Common | 256.0 | 632.6 | 50°45′47″N 1°48′00″W / 50.763°N 1.8°W SZ142960 | 1994 | SPA, GCR, WT, Ramsar site, SAC | Map | ||
| Townsend | 13.6 | 33.6 | 50°36′11″N 1°58′01″W / 50.603°N 1.967°W SZ024781 | 1986 | AONB, WT, SAC | Map | ||
| Trill Quarry | 1.4 | 3.5 | 50°54′40″N 2°34′48″W / 50.911°N 2.58°W ST593126 | 1989 | GCR | Map | ||
| Turbary And Kinson Commons | 36.2 | 89.3 | 50°45′07″N 1°54′58″W / 50.752°N 1.916°W SZ060947 | 1988 | SPA, Ramsar site, SAC | Map | ||
| Turners Puddle Heath | 391.0 | 966.2 | 50°43′01″N 2°15′40″W / 50.717°N 2.261°W SY817908 | 1990 | SPA, Ramsar site, SAC | Map | ||
| Upton Heath | 218.9 | 540.9 | 50°44′53″N 2°01′26″W / 50.748°N 2.024°W SY984943 | 1990 | SPA, NCR, Ramsar site, SAC | Map | ||
| Upwey Quarries And Bincombe Down | 6.5 | 16.0 | 50°40′05″N 2°27′36″W / 50.668°N 2.46°W SY676855 | 1992 | AONB, GCR | Map | ||
| Valley Of Stones | 80.4 | 198.7 | 50°41′20″N 2°34′19″W / 50.689°N 2.572°W SY597879 | 1996 | SAM, AONB, GCR, NNR | Map | ||
| Verwood Heaths | 27.8 | 68.7 | 50°52′59″N 1°52′16″W / 50.883°N 1.871°W SU092093 | 1985 | SPA, LNR, Ramsar site, SAC | Map | ||
| Wareham Common | 17.5 | 43.3 | 50°41′24″N 2°07′23″W / 50.69°N 2.123°W SY914878 | 1992 | Map | |||
| Wareham Meadows | 210.9 | 521.1 | 50°41′02″N 2°05′53″W / 50.684°N 2.098°W SY932871 | 1987 | AONB, SPA, HC, Ramsar site, SAC | Map | ||
| Warmwell Heath | 55.4 | 137.0 | 50°40′59″N 2°21′04″W / 50.683°N 2.351°W SY753871 | 1987 | SPA, Ramsar site, SAC | Map | ||
| West Dorset Coast | 598.5 | 1,478.9 | 50°43′30″N 2°50′38″W / 50.725°N 2.844°W SY405920 | 1991 | AONB, GCR, NT, SAC | Map | ||
| Whetley Meadows | 8.1 | 19.9 | 50°45′54″N 2°40′08″W / 50.765°N 2.669°W SY529964 | 1985 | AONB | Map | ||
| White Horse Hill | 60.0 | 148.3 | 50°39′29″N 2°24′22″W / 50.658°N 2.406°W SY714843 | 1991 | AONB | Map | ||
| Winfrith Heath | 288.9 | 713.8 | 50°40′59″N 2°16′44″W / 50.683°N 2.279°W SY804871 | 1996 | SPA, WT, NCR, Ramsar site, SAC | Map | ||
| Woolcombe | 18.1 | 44.8 | 50°45′32″N 2°37′41″W / 50.759°N 2.628°W SY558957 | 1986 | AONB, SAC | Map | ||
| Wootton Fitzpaine | 9.6 | 23.8 | 50°45′18″N 2°54′50″W / 50.755°N 2.914°W SY356954 | 1987 | AONB, HC | Map | ||
| Worgret Heath | 8.3 | 20.6 | 50°40′59″N 2°09′04″W / 50.683°N 2.151°W SY894870 | 1987 | SPA, SAC | Map | ||
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