Cave of Altamira and Paleolithic Cave Art of Northern Spain
Santillana del Mar, Spain UNESCO World Heritage Site

The Cave of Altamira and Paleolithic Cave Art of Northern Spain is an archaeological site and show cave designated as a UNESCO World Heritage Site. It is one of the 102 sights of Spain listed on this site and is ranked 91 in popularity among the country's sights by English Wikipedia lookups.
Planning a visit
The warmest months are July and August, with daily highs reaching 22 °C and 23 °C. The driest period is between June and August, with about 10 rainy days per month. November is the wettest month, with about 17 rainy days and 171 mm of rain.
Seve Ballesteros-Santander Airport is 24 km away, while Bilbao Airport is 98 km away. The site is 332 km from Madrid. Visitors can combine a visit with the Cave of El Castillo, located 15.8 km away, or the Cave of La Pasiega, which is 16 km away.
Weather by month
The warmest month is August, with an average high of 23 °C. The wettest is November, with about 171 mm of rain.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Average high, °C | 12 | 12 | 14 | 15 | 18 | 20 | 22 | 23 | 22 | 19 | 15 | 12 |
| Average low, °C | 6 | 6 | 7 | 9 | 11 | 14 | 16 | 17 | 15 | 13 | 9 | 7 |
| Rainfall, mm | 132 | 108 | 111 | 122 | 96 | 73 | 65 | 81 | 90 | 133 | 171 | 143 |
| Rainy days | 16 | 14 | 15 | 12 | 12 | 13 | 10 | 10 | 13 | 13 | 17 | 15 |
Temperatures and rainfall: 1981–2010 averages for this spot (4 km grid), from CHELSA. Rainy days: 2015–2024, NASA POWER.