Mira de Aire Caves
Discovered in 1947, these caves are the largest in Portugal and are recognised as one of the “7 Natural Wonders of Portugal.”
Located in the small town of Mira de Aire, in central Portugal, the Mira de Aire Caves (“Grutas de Mira de Aire”) are among the country’s most impressive natural wonders.
This underground marvel, formed over millions of years, attracts thousands of visitors annually. These visitors are eager to witness its stunning limestone formations, underground lakes, and vast chambers.
An Inside Look at the Caves
The Mira de Aire Caves span over 11 kilometres, though only a portion is accessible to the public. A guided tour takes visitors through approximately 600 metres of illuminated pathways that descend 110 metres below ground. The route showcases a variety of geological formations, including stalactites, stalagmites, and draperies formed by mineral deposits. The “Great Hall” and the “Red Room” are notable highlights. The underground waterfall further enhances the unique beauty of the caves.
The caves maintain a constant temperature of 17ºC (63ºF) year-round, providing a pleasant escape from Portugal’s hot summers. With atmospheric lighting carefully installed throughout, the guided tour creates a mesmerizing experience. It offers a comfortable and safe way to explore this stunning subterranean world.
Tips for Visiting the Mira de Aire Caves
- Tickets and Timings: It’s advisable to book tickets in advance, especially during peak tourist seasons (spring and summer), as the caves can get busy. The caves are generally open daily, but it’s best to check the official website for seasonal variations in opening hours.
- Duration of Visit: The guided tour lasts about an hour. Allow additional time if you plan to explore the surrounding areas, visit the on-site restaurant, or shop for souvenirs.
- Accessibility: The tour involves a fair amount of walking, with stairs and ramps. While suitable for most visitors, those with mobility challenges might find the steep descent and ascent challenging. Unfortunately, the caves are not wheelchair accessible.
- Attire: Wear comfortable walking shoes with good grip, as the pathways can be slightly damp. A light jacket is recommended as it can feel cool underground, even during warmer months.
Getting There
The Mira de Aire Caves are located approximately 15 kilometres from the town of Fátima, and they’re easily accessible by car. From Lisbon, it’s a 1.5-hour drive north, and from Porto, it’s about a 2-hour drive south. Public transport options are limited, so renting a car is often the most convenient choice.
For those interested in exploring central Portugal’s natural and cultural heritage, the Mira de Aire Caves offer a unique experience. With fascinating geological formations, an impressive history, and excellent visitor amenities, the caves are a must-see for anyone visiting this region of Portugal.