Great Siege Tunnels
The Great Siege Tunnels in Gibraltar are a historic tunnel commissioned by the Royal Engineers. Situated at an elevation of 220 meters, the site ranks fourth for English Wikipedia lookups among sights in the country. It is an interesting destination for visitors exploring the area.
Planning a visit
The warmest months are July and August, both with daily highs of 25 °C and minimal rainfall. December is the wettest month, recording 176 mm of rain across about 8 days, while January and November also experience high rainfall totals of 109 mm and 132 mm respectively. Wheelchair access is not available at the tunnels.
The nearest airport is Gibraltar Airport, located 1 km away, and the sight is 1 km from Gibraltar. Nearby locations include the Gibraltar Nature Reserve at 0.2 km, St. Michael's Cave at 2.1 km, Mediterranean Steps at 2.2 km, Gorham's Cave at 2.7 km, and Europa Point at 4.0 km.
Weather by month
The warmest month is August, with an average high of 25 °C. The wettest is December, with about 176 mm of rain.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Average high, °C | 15 | 15 | 16 | 17 | 20 | 23 | 25 | 25 | 23 | 21 | 18 | 16 |
| Average low, °C | 12 | 12 | 13 | 14 | 16 | 18 | 21 | 21 | 20 | 18 | 15 | 13 |
| Rainfall, mm | 109 | 100 | 69 | 70 | 30 | 8 | 2 | 5 | 26 | 85 | 132 | 176 |
| Rainy days | 8 | 7 | 10 | 7 | 5 | 1 | 0 | 1 | 3 | 8 | 9 | 8 |
Temperatures and rainfall: 1981–2010 averages for this spot (4 km grid), from CHELSA. Rainy days: 2015–2024, NASA POWER.
