Holnest SSSI, Dorset (grid reference ST823098) is a 8.13 hectare geological Site of Special Scientific Interest in Dorset, England, notified in 1995.
Abbotsbury Blind Lane · Abbotsbury Castle · Aunt Mary's Bottom · River Axe · Babylon Hill · Batcombe Down · Belle Vue Quarry · Bere Stream · Black Hill Down · Black Hill Heath · Blashenwell Farm Pit · Blandford Camp · Blue Pool · Boulsbury Wood · Bradford Abbas Railway Cutting · Brenscombe Heath · Bryanston · Canford Heath · Chalbury Hill And Quarry · Chesil Beach · Christchurch Harbour · Conegar Road Cutting · Corfe & Barrow Hills · Corton Cutting · Creech Grange · Crookhill Brick Pit · Cull-Peppers Dish · Ebblake Bog · Frogden Quarry · River Frome, Dorset · Giant Hill, Cerne Abbas · Goathill Quarry · Holnest · Lambert's Castle · Lions Hill · Lodmoor · Oakers Bog · Pitcombe Down · Poole Harbour · Portland · Poxwell · Radipole Lake · Shillingstone Quarry · Worgret Heath
Neighbouring areas: Devon · Hampshire · Somerset · Wiltshire