Blackwater is a small hamlet in the historic county of Hampshire and the ceremonial county of Dorset, England. Administratively, Blackwater is part of Bournemouth, Christchurch and Poole unitary authority. It is best known for the grade separated road junction between the A338 Ringwood to Bournemouth road and the B3073 road to Bournemouth Airport (and to Christchurch in the opposite direction). It was once the site of a ferry crossing on the River Stour.^[1]

Blackwater
Blackwater Location within Dorset
OS grid reference	SZ135959
Unitary authority	Bournemouth, Christchurch and Poole
Shire county	Dorset
Region	South West
Country	England
Sovereign state	United Kingdom
Post town	CHRISTCHURCH
Postcode district	BH23
Police	Dorset
Fire	Dorset and Wiltshire
Ambulance	South Western
UK Parliament	Christchurch
List of places UK England Dorset 50°45′32″N 1°48′14″W / 50.759°N 1.804°W / 50.759; -1.804