
south-iceland · Iceland
Klettshellir
About Klettshellir
Klettshellir, one of Vestmannaeyjar's largest and most renowned sea caves, offers a breathtaking experience. Its majestic entrance, visible from the ocean, leads into a vast chamber where the sea's depth allows large boats to enter. Visitors are often treated to unique musical performances inside, leveraging the cave's incredible natural acoustics.
History & Background
Klettshellir's origins trace back thousands of years, sculpted by the relentless interplay of volcanic activity and the erosive power of the Atlantic Ocean. The Vestmannaeyjar islands themselves are a testament to Iceland's fiery heart, born from submarine eruptions. Over millennia, the sea has carved this magnificent cave into the basaltic cliffs of Ystaklettur, slowly eroding softer rock layers and creating the vast chambers and intricate formations visible today. It stands as a living testament to the geological forces that continually reshape Iceland's dramatic coastline. While not specifically documented for Klettshellir, many Icelandic caves, particularly those formed by lava flows, offered vital shelter to early settlers and travelers during harsh weather conditions. Klettshellir, with its deep interior and sheltered waters, would have naturally provided a haven from the elements, possibly serving as a temporary refuge for fishermen or those seeking shelter from storms. Today, Klettshellir's significance has shifted from practical shelter to cultural and natural wonder. It has become a cornerstone of Vestmannaeyjar's tourism, celebrated not only for its impressive scale and geological beauty but especially for its unique acoustic properties. The tradition of playing wind instruments within its chambers has cemented its reputation as a place where nature and human artistry harmoniously converge, making it a beloved and iconic landmark of the archipelago.
Did You Know?
- ✔Klettshellir is one of Iceland's many fascinating geological formations
- ✔Iceland's lava tube caves can extend for many kilometers underground
- ✔Some Icelandic caves were used for shelter by early settlers
Tours Near Klettshellir
Best-rated Iceland experiences — book with free cancellation
Why Visit
Witness a geological marvel and experience the extraordinary acoustics of a vast sea cave by boat.
Did You Know?
Klettshellir is renowned for its exceptional natural acoustics, making it a popular spot for boat tours to perform music, creating an unforgettable sensory experience.
Huldufólkið og bergmálið í Klettshelli
Sögur segja að Klettshellir sé ekki bara hellir heldur heilagur bústaður Huldufólksins, sem laðast að fullkominni hljóðvist hans. Þeir segja að ef þú hlustar vel á bergmál öldurnar gætir þú heyrt forna söngva þeirra, lag sem berst á vindi djúpt innan úr jörðinni og gætir leyndarmála eyjarinnar.
Hidden Gems Nearby
Eldheimar Museum
This poignant museum focuses on the 1973 volcanic eruption on Heimaey, showcasing excavated homes and providing a deep insight into the island's dramatic history.
Provides crucial context to the island's fiery geological past and the resilience of its inhabitants.
Heimaey Stave Church
A beautiful replica of a Norwegian stave church, gifted by Norway, commemorating the 1000th anniversary of Christianity in Iceland.
Offers a glimpse into cultural history with stunning architecture and scenic views over the harbor.
Puffin Watching at Stórhöfði
During nesting season (late April to mid-August), Stórhöfði, the southernmost tip of Heimaey, is one of the best places to observe thousands of puffins up close.
Witness Iceland's iconic bird in its natural habitat, often just a short walk from the viewing platform.
Practical Information
Best Time
Summer months (June-August) for boat tours, calmer seas.
Duration
20-30 minutes inside the cave (as part of a longer boat tour).
Access
Accessible by boat tour from Vestmannaeyjar harbor. Tours typically last 1.5-2 hours.
Frequently Asked Questions
How can I visit Klettshellir?▾
Klettshellir is primarily visited as part of a boat tour departing from Vestmannaeyjar harbor. These tours offer the unique opportunity to sail directly into the cave.
Is there an entry fee for Klettshellir?▾
There is no separate entry fee for the cave itself, as access is typically part of a guided boat tour. The cost of the tour covers the experience.
What makes Klettshellir special?▾
Besides its impressive geological formations and large size, Klettshellir is renowned for its exceptional natural acoustics. Boat tours often feature musical performances inside, creating a truly memorable experience.
What should I bring for a visit to Klettshellir?▾
Even in summer, it can be cool on the water and inside the cave, so dress in warm layers. A camera is highly recommended to capture the stunning scenery and unique moments.
Is Klettshellir accessible for all visitors?▾
Access to Klettshellir is by boat, which may involve stepping on and off a vessel. Visitors with mobility concerns should check with individual tour operators regarding accessibility.




