|Part of Fortifications of Gibraltar|
|Line Wall Curtain, Line Wall Road, Gibraltar|
|Owner||Government of Gibraltar|
The Orange Bastion is one of the many bastions in the British Overseas Territory of Gibraltar, which served to protect it against its many sieges. It is located along the Line Wall Curtain and was built to protect the Gibraltar Harbour against enemy attack.
Named after King of England, William of Orange, this small asymmetric bastion was rebuilt by the British on the site of an older and larger Spanish bastion along the Line Wall Curtain. In 1758 the main face of the bastion held six guns intended to defend the Old Mole firing out to ships 600–700 yards (550–640 m) away.
In the 1790s, Sir William Green oversaw improvements to Gibraltar's defences and had the Orange and the Montagu Bastions extended and also arranged for a counterguard to be constructed in front of them as additional defences. This 1823 counterguard which was originally named "Orange Counterguard" was later renamed to Chatham Counterguard after the Earl Of Chatham who was the Governor of Gibraltar from 1821. The counterguard protected the bastion as the enemy would have to capture the counterguard before taking on the bastion; and whilst attempting this the enemy would come under the direct fire of the bastion. A third layer of protection was added by constructing a breakwater in front of the counterguard to deter amphibious assaults.
By 1834 there were eleven guns and later two larger rifled muzzle loading (RML) guns were installed. Alterations completed in 1877 on the face of the bastion, allowed for the mounting of two RML 10 inch 18 ton gun behind iron shields known as Gibraltar Shields.
Between 2006 and 2008 the bastion was subject to major restoration work as part of the Government of Gibraltar's city walls walk scheme As part of the restoration works, two Victorian RML guns from the nearby King's Bastion were relocated here.
The curtain between Montagu and the Chatham Counterguard was breached to allow access for new apartments. A relatively modern commercial building now sits on top of the walls of the counterguard.
- "City Walls". Visit Gibraltar. Retrieved 7 March 2013.
- Fa, Darren; Finlayson, Clive (2006). The fortifications of Gibraltar : 1068-1945 p.31 (1. publ. in Great Britain. ed.). Oxford [u.a.]: Osprey. ISBN 9781846030161.
- "Government of Gibraltar Press Release". Panorama. 22 July 2001. Retrieved 7 March 2013.
- "Restoring Orange Bastion". Vox. 2 September 2006. Retrieved 10 March 2013.
- "Montagu Bastion, Montagu Counterguard, Montagu Curtain ..." DiscoverGibraltar.com. Archived from the original on 5 September 2013. Retrieved 7 May 2013.
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