Best caves around River are primarily found within a dramatic coastal landscape characterized by white cliffs overlooking the English Channel. This region is historically significant for its role in World War II, which led to the creation of extensive underground tunnel systems. These man-made caves, alongside natural coastal formations, offer a blend of historical exploration and geological interest. The area provides various opportunities for exploring both natural and engineered subterranean features.
Last updated: July 30, 2026
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Photography was prohibited at the beginning of the tour, but allowed at the end.
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Unfortunately, photography is not allowed. The tour is interesting and definitely worth taking 😉
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Guided tours by volunteers at the National Trust through these WWII tunnels/bunker. 125 steps down, approx 90 minute tour, only £6. Very factual, learn about the troops who used it, the reason it’s there, and how it was built.
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£6 for an hour’s tour by the National Trust. Well worth it! Go 125 steps underground and tour the tunnels from WWII
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St Margaret’s has a very unusual and rich history for such a small place
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Beautiful stretch of beach along the cliffs.
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impressive descent to the Longdon Bay Tunnel with access to the pebble beach. Great little picnic area (unfortunately a bit littered) with a long ladder down steeply to a pebble beach. Please pay attention to the tides, as the beach may not be accessible at high tide as the ladder is in the water. Furthermore, swimming shoes are recommended because of the pebbles. A wonderful place
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The River region offers a unique blend of natural coastal caves and extensive man-made tunnel systems. You can explore historical World War II shelters and command centers, as well as natural formations found below the dramatic white cliffs.
Many of the man-made caves in the River area are historically significant, particularly from World War II. Sites like the Fan Bay Deep Shelter and the Dover Tunnels – Operation Dynamo Command Centre were crucial underground facilities, including command posts and hospitals, carved deep into the cliffs during the war.
Yes, alongside the historical tunnels, you can find natural coastal caves. For example, St Margaret's Bay Beach is known for its pirate caves located below the white cliffs, offering a glimpse into natural subterranean features.
Many of the historical tunnel complexes, such as the Dover Tunnels – Operation Dynamo Command Centre, are considered family-friendly and offer engaging guided tours that are suitable for various ages.
For sites like the Fan Bay Deep Shelter, a guided tour typically costs around £6. National Trust members may receive free entry to facilities managed by them.
Guided tours through historical sites like the Fan Bay Deep Shelter usually last about an hour. Exploring natural coastal areas like St Margaret's Bay Beach can vary depending on how much time you wish to spend enjoying the beach and views.
On a guided tour, such as at the Fan Bay Deep Shelter or Avenue Lewis: The Underground Hospital, you can expect to descend into the cliffs, learn about the history of the tunnels, and see the preserved structures. Photography may be restricted in some areas.
Yes, the region is known for its dramatic coastal landscape. St Margaret's Bay Beach offers spectacular views of the white cliffs and the English Channel, in addition to its pirate caves.
The area around River provides excellent opportunities for outdoor activities. You can find numerous hiking trails, such as those detailed in the Hiking around River guide, including routes like 'The White Cliffs of Dover – South Foreland Lighthouse loop'. There are also various cycling routes available, as seen in the Cycling around River guide.
When visiting the historical tunnels, guided tours are highly recommended to fully appreciate their significance. For natural coastal caves, be mindful of tides and coastal conditions. Comfortable footwear is advisable for exploring both types of sites.
The caves around River are unique due to their combination of natural coastal formations and extensive man-made tunnels, particularly those from World War II. This blend offers a distinct experience, merging geological interest with significant historical exploration.
While popular sites like Fan Bay Deep Shelter attract visitors, exploring the natural coastal caves at locations like St Margaret's Bay Beach during off-peak times or focusing on less-trafficked sections of the coastline might offer a quieter experience.


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