Bergen op Zoom was a fortress town with a population of some 5,000 people and an initial garrison of 3,000 under the command of the 86 year old, vigorous Governor General Cronström. The circumference of the fortress ramparts was about three miles with ten bastions covered by five hornworks. The intervals contain twenty one ravelins which are covered by stone lunettes. Much of the surrounding country was marshland. Additionally, an intrenched camp at Rosendahl, defended by three forts: Moermont, Pinsen, Rovers, and trench lines connecting to the city on the northeast, were held by the Prince of Hildburghausen with 20 battalions of infantry and 14 squadrons of cavalry that could reinforce or relieve the garrison. Because of these lines and some lesser lines to the west, Bergen op Zoom could