Other contributors have said "How tall are the walls of caernarvons castle?" is the same question as "How tall are castle walls?" If you believe that these are not asking the same thing and should be answered differently, click here
If they had a defensive wall (castle wall) they would most likely have archers. The archers would then shot the enemy if they would try to attack the castle. Does that answer you're question?
A curtain wall is a type of defensive wall forming part of the defenses of some medieval castles. A curtain wall, or enclosing wall, of a castle bounded or enclosed the castle. Most often it was...