Best caves around Seixal are found on Madeira Island's northern coast, an area known for its unique geological formations. This region features volcanic natural pools and coastal caves, showcasing dramatic rock formations sculpted by ancient volcanic activity and ocean erosion. These sites offer opportunities to explore lava-rock tidal pools, impressive rock arches, and sea stacks. The landscape reflects Madeira's volcanic origins, providing diverse natural "cave" experiences.
Last updated: May 19, 2026
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At the PR17 tunnel exit, you step out of the darkness and directly into the sound of rushing water cascading down the valley alongside the path. The cool spray, the echoing water, and the sudden view of the green slopes create a dramatic change of mood. A short break here is worthwhile to allow your eyes and ears to adjust to the bright light and the vibrant sounds of nature.
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The levada tunnel in Madeira Natural Park leads you right through the mountain, accompanied by the echo of your footsteps and the gentle lapping of the water. Inside, a headlamp, caution, and the occasional duck are essential in the cool, damp space – but the experience is truly adventurous. At the tunnel's end, you emerge back into the daylight and are rewarded with sweeping views of the green slopes and valleys of the natural park.
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Today, April 14, 2025, the water level in the tunnel was unfortunately too high >10cm, only passable with rubber boots.
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After a lot of rain (mid-March) not possible. Up to 50 cm deep and ice cold water. Reversed!
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Unfortunately closed at the moment.
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The tunnel is a maximum of 900 m long.
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Regardless, the entire hike from Levada Nova to Levada Moinho is definitely fun and can only be recommended. The highlight is definitely the waterfall in between.
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As soon as you come out of the tunnel you have a great view of the waterfall.
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The Seixal area offers a diverse range of 'cave' experiences. You can explore natural volcanic lava-rock tidal pools with impressive rock arches at the Seixal Natural Pools, coastal formations and sea stacks at Praia da Ribeira da Janela, and several man-made tunnels that are part of levada trails, such as the Levada Nova Tunnel and Waterfall and the Rabaçal Tunnel.
Yes, the Grutas de São Vicente are generally considered family-friendly, though the caves themselves are currently closed for maintenance. However, you can still visit the exhibition and museum, which offers an engaging presentation on the volcanic origins of Madeira, suitable for children. The Seixal Natural Pools also provide a unique and accessible swimming experience within volcanic rock formations.
For tunnels like the Levada Nova Tunnel and Waterfall, the Tunnel and Waterfall on PR17 Levada do Paul II, and the Rabaçal Tunnel, a headlamp or flashlight is essential due to their darkness. For the PR17 Levada do Paul II tunnel, waterproof shoes with good soles are also highly recommended as there are many wet and uneven spots.
The difficulty varies. Exploring the Seixal Natural Pools and Praia da Ribeira da Janela is generally easy and accessible. The man-made tunnels, such as the Levada Nova Tunnel, Rabaçal Tunnel, and Tunnel on PR17 Levada do Paul II, are typically rated as intermediate or challenging due to their dark, wet, and sometimes uneven conditions, requiring appropriate gear.
The region around Seixal offers excellent opportunities for various outdoor activities. You can find numerous mountain hikes, waterfall hikes, and running trails. For example, explore routes like the '25 Fontes Waterfall – Rabaçal House loop' or 'Lagoa do Vento Waterfall – 25 Fontes Waterfall loop' for hiking. Discover more options in the Mountain Hikes around Seixal, Waterfall hikes around Seixal, and Running Trails around Seixal guides.
The Seixal Natural Pools are particularly serene and enjoyable when visited early in the day. Generally, the warmer months offer better conditions for swimming and exploring coastal areas. Always check local weather conditions before your visit, especially for coastal formations which can be affected by tides and sea conditions.
Yes, the Cave Rest Spot with View of the Coast is a notable highlight. It's a small rock niche carved into the mountain that offers a sheltered spot with scenic views of the coastline.
The region's 'caves' are unique due to their volcanic origins and integration with Madeira's landscape. The Seixal Natural Pools feature giant caves and arches formed by lava rock, offering a unique swimming experience. The man-made tunnels, part of the levada irrigation system, provide adventurous passages through the mountains, often leading to hidden waterfalls, showcasing human ingenuity alongside natural beauty.
Visitors frequently highlight the adventurous nature of the tunnels, emphasizing the need for a headlamp and waterproof shoes. They appreciate emerging directly in front of waterfalls after traversing tunnels like the Levada Nova Tunnel. The Rabaçal Tunnel is often described as a memorable experience, with its 800-meter dark passage. The Tunnel on PR17 Levada do Paul II is noted for the sound of the waterfall growing louder as you approach the exit.
The natural 'caves' and rock formations around Seixal, including the Seixal Natural Pools and Praia da Ribeira da Janela, are primarily formed by ancient volcanic activity and subsequent ocean erosion. These sites offer a direct glimpse into Madeira's volcanic origins. The Grutas de São Vicente, though currently closed for tours, are volcanic caves that provide insight into lava flows and the island's geological past through their exhibition.
While the main attractions are well-known, the Cave Rest Spot with View of the Coast offers a more secluded experience. It's a small, natural rock niche with a bench, providing a quiet place to rest and enjoy the coastal views, often discovered by those exploring the hiking paths.


Extend your search for the best caves by checking out these guides of the top ones around Seixal: