Rochester Castle Fieldtrip.

The photos you took.

Ditch.

• The ditch protects the walls from attack.

• During the medieval period they were deeper.

Curtain Walls.

• Notice the merlons and crenels in the walls.

• Notice also the different types of rock and brick in the construction of the wall.

• Refer to your field work notes here.

Wall towers.

• The imposing approach to the castle.

• Notice the batter on the tower.

• This is a flanking tower.

Round wall tower.

• This tower was rebuilt after the siege of 1215.

• It is round to protect against trebuchet and undermining attacks.

The outside of the Keep.

• Notice the seperation between the stairs and the door.

• The door is high up to aid defence.

• What is the use of a fore building?

Inside the Keep.

• Notice the central wall that divides the keep.

• This is an extra defensive feature.

• Notice how thick the walls are

Control of river.

• The location of the castle uses the river in two ways.

• Firstly as a means of defence.

• Secondly it is used to control the bridge.