Best caves around Alvington are situated in the Forest of Dean, Gloucestershire, an area known for its rich mining history and unique geological formations. This region offers a blend of natural cave systems and historical mining sites. The landscape features ancient woodlands and river valleys, providing diverse environments for subterranean exploration. Visitors can discover sites that showcase thousands of years of human interaction with the underground world.
Last updated: June 30, 2026
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The Giant's Cave is a small pass through cave with a great view of the River Wye and Landscape
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There are a couple of caves in this area. The first (coming from Chepstow) is very shallow and raided above the path. The second "Giant Cave" has outstanding safe viewing platform outside it, and the cave actually opens into a secondary exit allowing passage through the rock. This is a natural formation it would appear. Highly recommended!
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Can be seen from the opposite bank (Chepstow side) Gloucester Hole, smuggling, storage of tea, explosives or other smuggled goods?? Marked with a Union Jack and only accessible at high tide!
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This striking feature is a curving tunnel that is cut into the rock-face through which Piercefield Walk passes via a large opening in the southern side, and a smaller rectangular portal in the northern. It is part natural feature, and part hand-made.
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Otter Hole / Otter Cave is known as one of the best "decorated" caves in the UK. Access is restricted to protect the rare formations inside. The cave also floods, with a tidal sump. It is managed by the Royal Forest of Dean Caving Club.
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Puzzlewood (grid reference SO578092) is an ancient woodland site and tourist attraction, near Coleford in the Forest of Dean, Gloucestershire, England. The site, covering 14 acres (5.7 ha), shows evidence of open-cast iron ore mining dating from the Roman period, and possibly earlier. Over a mile of pathways were laid down in the early 19th century to provide access to the woods, and provide picturesque walks. The area contains strange rock formations, secret caves and ancient trees, with a confusing maze of paths. The site is listed as a regionally important geological site in the 'Forest of Dean Local Plan Review'. The geological features on show at Puzzlewood are known as scowles. Scowles originated through the erosion of natural cave systems formed in the Carboniferous Limestone many millions of years ago. Uplift and erosion caused the cave system to become exposed at the surface. This was then exploited by Iron Age settlers through to Roman times for the extraction of iron ore. It is usually impossible to date open-cast extraction precisely, although ores with a chemical signature consistent with those from the Forest of Dean were certainly used to make tools and weapons in the late prehistoric period. Over 3,000 Roman-era coins were found by workers in 1848. The coins were stored in three earthenware jars in a cavity in the rock formations. The origin of the coins is unknown. Puzzlewood has been used as a filming location for both film and television in recent years. Notable examples include: Films Harry Potter and the Deathly Hallows – Part 1 (2010) Jack the Giant Slayer (2013) Star Wars: The Force Awakens (2015) The Huntsman: Winter's War (2016) A Midsummer Night's Dream (2016) The Secret Garden (2020) Television Doctor Who (2005-present) Merlin (2008-2012) Wizards vs Aliens (2012-2014) Tree Fu Tom (2012-2016) Atlantis (2013-2015) Da Vinci's Demons (2013-2015) Hidden Kingdoms (2014) The Dark Crystal: Age of Resistance (2019) Cursed (2020-present)
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It would have to be a very small giant to fit through there! Amazing feature... look out for the bats!
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Lots to explore at puzzlewood, interacting app you can download.
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Yes, several options are suitable for families. Puzzlewood offers a maze of paths through ancient woodland with strange rock formations and secret caves, providing an engaging experience for all ages. Additionally, Clearwell Caves, a working mining museum, provides a self-guided route through ten well-lit caverns, offering an educational and fascinating journey into history.
The caves in this region are rich in history. Clearwell Caves have been mined for iron ore and ochre for over 4,500 years, showcasing Neolithic, Iron Age, Roman, and 19th-century mining operations. Puzzlewood also shows evidence of open-cast iron ore mining dating back to the Roman period, with over 3,000 Roman-era coins discovered there.
Yes, Clearwell Caves offers guided 'Adventure Caving' trips for those seeking a more challenging experience. These trips go beyond the public areas, allowing participants to crawl, climb, and squeeze through untouched passages up to 200 feet underground. Pre-booking is required, and they are suitable for ages 7 and up.
Clearwell Caves welcomes dogs in its above-ground areas and café. For underground exploration, it's best to check individual cave attractions for their specific pet policies, as many may not allow dogs inside the cave systems themselves.
The region is known for its distinctive geology. Puzzlewood features 'scowles,' which are geological formations resulting from the erosion of natural cave systems in Carboniferous Limestone. Clearwell Caves showcases impressive caverns formed through natural processes and extensive mining, with ochre still being mined today for its rare deep purple pigment.
Yes, the atmospheric settings of the local caves have attracted filmmakers. Clearwell Caves has served as a backdrop for popular series like Doctor Who, Merlin, and His Dark Materials. Puzzlewood has also been featured in films such as Harry Potter and the Deathly Hallows, Star Wars: The Force Awakens, and The Secret Garden, among others.
Clearwell Caves is part of a Site of Special Scientific Interest and a Wye Valley Special Area of Conservation due to the presence of a large number of lesser horseshoe bats. These caves provide a crucial habitat for these protected species.
Clearwell Caves offers a self-guided 550-meter route through ten well-lit caverns, descending about 100 feet underground. It operates as a working mining museum, providing insights into the history of mining. The site includes a café, gift shop, and free parking. You can find more visitor information at visitdeanwye.co.uk.
Recently, a significant cave system, known as the Redhouse Lane System, was discovered near English Bicknor, close to Alvington. This network stretches over 10 kilometers and features towering chambers and crystal-covered tunnels. However, this system is currently only accessible to cavers for exploration and is not open to the public.
The area around Alvington offers diverse outdoor activities. You can find numerous hiking trails, including easy to moderate routes like the 'Slade Brook Travertine Dams loop' or more challenging ones like the 'River Wye & Hewelsfield Church loop'. For cycling enthusiasts, there are road cycling routes and MTB trails available. Explore options like the 'Redbrook, Brockweir and River Wye loop' for mountain biking or the 'Dean Forest Cycles & Café – Dowies & Shutcastle Trails loop' for road cycling. More details can be found in the hiking, road cycling, and MTB guides for Alvington.
Visitors appreciate the blend of natural beauty and historical insight. The unique geological formations, such as the 'scowles' at Puzzlewood, and the historical depth of Clearwell Caves, which offers a glimpse into ancient mining, are highly valued. The opportunity for both leisurely exploration and adventurous caving also contributes to a memorable experience.


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