O'Hara's Battery (Gibraltar) - All You Need to Know BEFORE You Go
The Mediterranean Steps, viewed from the top at O'Hara's Battery, looking back down. On the Upper Rock Nature Reserve, Rock of Gibraltar. One of the more challenging trails Stock Photo - Alamy
O'hara's Battery - Gibraltar Info
Lord Airey's Battery - Wikipedia
Info on O'Hara's Battery - Picture of Gibraltar, Europe - Tripadvisor