Poole bay, Dorset, and its seven miles of sand beaches is book-ended by two natural harbours: Christchurch to the east, and Poole harbour to the west. Last week I featured the entrance to the former, and today made a visit to the latter. Poole harbour, created at the end of the last ice age, is a flooded valley and lays claim to being the largest (or second largest, depending on your location - there are others) natural harbour in the world.
Despite its size it is very shallow, with an average depth of 48 cm (19 inches), and it was necessary to dredge a deeper main channel for larger vessels to use the harbour.
One such ship is seen in the image as it approaches the 365 metre wide harbour entrance at Bramblebush bay, presumably on its way to France.
12-24mm Nikkor. 1/80 second at f/10. ISO 250. +0.67 exposure compensation. 0.6 neutral density grey grad filter.
© 2009
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